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Monocular thermal imaging rangefinder night vision device

  • Model
    • SSK/NW-SYNC55X
    • SSK/NW-SYNC35X
    • SSK/NW-SYNC25X

Current model: SSK/NW-SYNC25X/35X/55X


Equipped with a 12 µm vanadium oxide detector, it delivers high‑sensitivity, high‑resolution thermal imaging, capturing the target’s temperature distribution and contours. Featuring a high‑resolution (1024×768) OLED display, it renders vivid colors and excellent contrast, enhancing viewing comfort and accuracy. With multiple interfaces, it can easily connect to computers, TVs, or other devices for image transmission and storage, and is powered by two 16340 batteries, ensuring ultra‑low power consumption. Versatile and suitable as a night‑vision device, it is ideal for military applications, hunting, outdoor expeditions, and more, boosting safety and efficiency in low‑light conditions.

Retail price

¥ 999

Market price

¥ 999


Equipped with a 12 µm vanadium oxide detector, it delivers high‑sensitivity, high‑resolution thermal imaging, capturing the target’s temperature distribution and contours. Featuring a high‑resolution (1024×768) OLED display, it renders vivid colors and excellent contrast, enhancing viewing comfort and accuracy. With multiple interfaces, it can easily connect to computers, TVs, or other devices for image transmission and storage, and is powered by two 16340 batteries, ensuring ultra‑low power consumption. Versatile and suitable as a night‑vision device, it is ideal for military applications, hunting, outdoor expeditions, and more, boosting safety and efficiency in low‑light conditions.

The SSK/NW-SYNC55 and SYNC55X are equipped with a 12-μm vanadium oxide detector, delivering high sensitivity and high‑resolution thermal imaging to capture the temperature distribution and contours of targets. They feature a high‑resolution (1024×768) OLED display that renders vivid colors and contrast, enhancing viewing comfort and accuracy.

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Remaining inventory

2997

隐藏域元素占位


IP66 Waterproof and airtight sealing
1000G Impact strength
−40℃ / +60℃ Operating ambient temperature

01 / THERMAL CLARITY

12 micrometer

The details are clear,
Beginning with perception

Uncooled vanadium oxide detectors sense the target’s temperature distribution and contours. Available in two detector configurations—384×288 and 640×512—and paired with digital enhancement and image-processing algorithms, they make fine details easier to discern. The SYNCX series introduces three new ranging functions, with a range of 1,200 meters and an accuracy of ±1 meter, operating at a pulsed wavelength of 905 nm.

640×512 Optional detector configuration
F1.0 Lens aperture

SYNC55X · VANADIUM OXIDE SENSOR

25mm SYNC25X
35mm SYNC35X
54mm SYNC55X

Schematic of the relationship between the lens and the camera body

02 / THREE LENS OPTIONS

For different perspectives,
Find the appropriate focal length.

The SYNC25X, SYNC35X, and SYNC55X are each equipped with lenses of different focal lengths. With the same detector configuration, a short focal length provides a wider field of view, while a long focal length offers a more focused viewing range. All three models support manual focus adjustment to accommodate varying observation distances.

Each model features an independent lens configuration; the SYNC55X has a lens focal length of 54 mm, according to the product specifications.

03 / HOTSPOT TRACKING

Focus on hot topics,
Discover more clues

Built-in hotspot tracking and image enhancement features make it easy to focus on temperature hotspots in the scene, revealing additional observational insights.

04 / PIP & CONTINUOUS DIGITAL ZOOM

From the big picture to the details

Supports picture-in-picture zoom and continuous electronic zoom from 1x to 8x. Picture-in-picture zoom is centered on the dividing line. While preserving the overall view, it magnifies the local details at the location of the reticle.

PIP Zoom in centered on the dividing line.
1–8× Continuous electronic zoom

The enlarged image is provided to illustrate the viewing method and does not reflect actual measured image quality or super-resolution performance. Digital zoom is not equivalent to optical zoom.

05 / INTUITIVE CONTROL

One-click recording, convenient control.

One-touch photo and video capture, with support for local playback. The 1024×768 OLED eyepiece delivers high‑contrast images, with adjustable brightness and gain for more comfortable viewing and recording.

WI-FI / HOTSPOT

06 / CONNECT & SHARE

Wireless connectivity, shared field of view

Built-in Wi‑Fi and hotspot support, enabling mobile devices such as smartphones, tablets, and laptops to stream and view content via the app. Equipped with an HDMI video output for easy expansion of viewing and presentation options.

07 / LOW POWER CONSUMPTION

Low power consumption,
Accompany you to observe for longer

Typical power consumption is no more than 2.3 W, and it comes with a rechargeable lithium‑ion battery. It ships standard with 64 GB of storage, with an optional 256 GB configuration, meeting the needs of photography, video recording, and data retention.

≤2.3W Typical power consumption
>5h SYNC35X / SYNC55X

Battery life is based on the original specifications; the SYNC25X does not specify a continuous operating time. Actual battery life may vary depending on usage and environmental conditions.

08 / HIGH-PRECISION NINE-AXIS SENSOR

High-precision nine-axis sensor,
Satisfy the pitch angle and roll angle. and the azimuth

Supports perception of pitch, roll, and yaw angles, providing information on the device’s attitude and orientation.

Images are sourced from product documentation; the scenes and conditions of the various examples are not consistent and are not intended for performance comparison.

09 / THERMAL PALETTES

Various false colors,
Different observation methods

9 Color mode

Nine pseudo‑color modes—white‑hot, black‑hot, brown, iron‑red, rainbow, and more—combined with adjustable brightness and gain, let you select a viewing experience that’s comfortable for your specific scene and personal preferences.

White-hot mode

Lava Mode

Blue-Red Mode

Green Heat Mode

Amber Mode

Rainbow Mode

Red Heat Boost Mode

Iron Red Mode

Rainbow Enhancement Mode

10 / LASER RANGEFINDING

Laser rangefinding

The ranging distance can reach 1,200 meters, with an accuracy of ±1 meter, and the ranging wavelength is a 905 nm pulse.

1200m Ranging distance
±1m Ranging accuracy
905nm Pulse wavelength

11 / IMPACT RECORDING

Impact footage,
Review the 5 seconds before the impact

The trigger sensitivity for impact recording is adjustable. Once impact recording is enabled, you can view the 5 seconds of video preceding the impact and review the footage from before the event occurred.

5s Replay of the video before the impact
Adjustable Impact trigger intensity

12 / ONE-TOUCH CALIBRATION

One-click gun calibration,
Automatic calibration scale line for the heat source

Supports automatic calibration of the heat source’s scale lines, making the calibration process more convenient.

Find your SYNCX

QUICK MODEL COMPARISON

Model number Detector Configuration Mode Ranging Focal length / Aperture OLED display Electronic zoom Field of view angle Detection / Identification Range*
SYNC25X 384×288 / 640×512 NETD<15mK Aim-down-sights mode
Handheld mode
1200m
25mm / F1.0
1024×768
1–8×

384 10.6°×7.9°
640 17.6°×14.1°

1300m / 300m

 
SYNC35X 384×288 / 640×512 NETD<15mK Aim-down-sights mode
Handheld mode
1200m
35mm / F1.0
1024×768
1–8×

384 6.3°×5.7°
640 12.6°×10.1°

1800m / 450m

 
SYNC55X 384×288 / 640×512 NETD<15mK Aim-down-sights mode
Handheld mode
1200m
54mm / F1.0
1024×768
1–8×

384 5.3°×4.0°
640 8.8°×7.0°

2800m / 700m

 

The field-of-view angles are listed separately for the 384×288 and 640×512 configurations, in degrees; for the SYNC55X, the 384 configuration has a field of view of 5.3° × 4.0°.

* Detection/identification range and NETD are based on the data listed on the confirmed specification sheet; these values apply under typical climatic conditions, with no specific details provided for variations in target size or configuration. Ranging parameters are based on new SYNCX data and represent independent metrics. The SYNC55X has a focal length of 54 mm.

TECHNICAL SPECIFICATIONS

Technical Specifications

The parameters of the SYNC25X, SYNC35X, and SYNC55X are presented side by side; all three models feature distance‑measuring capabilities, with the differences between the 384‑pixel and 640‑pixel configurations clearly indicated.

 SYNC25XSYNC35XSYNC55X
Thermal imaging system
Detector Type Uncooled vanadium oxide Uncooled vanadium oxide Uncooled vanadium oxide
Operating band 8–14 μm 8–14 μm 8–14 μm
Detector resolution / Pixel pitch 640 configuration: 640×512 (12 μm) 384 configuration: 384×288 (12 μm) 640 configuration: 640×512 (12 μm) 384 configuration: 384×288 (12 μm) 640 configuration: 640×512 (12 μm) 384 configuration: 384×288 (12 μm)
Lens / Aperture 25mm@ F=1.0 35mm@ F=1.0 54mm@ F=1.0
Focusing method Manual Manual Manual
Field of view angle 640 configuration: 17.6° × 14.1°; 384 configuration: 10.6° × 7.9° 640 configuration: 12.6° × 10.1°; 384 configuration: 6.3° × 5.7° 640 configuration: 8.8° × 7.0°; 384 configuration: 5.3° × 4.0°
Polarity Black Heat/White Heat Black Heat/White Heat Black Heat/White Heat
Image frame rate 50Hz50Hz50Hz
Image denoising Digital filtering Digital filtering Digital filtering
Electronic amplification 1–8x continuous magnification 1–8x continuous magnification 1–8x continuous magnification
Zoom mode Standard zoom / Picture-in-picture zoom Standard zoom / Picture-in-picture zoom Standard zoom / Picture-in-picture zoom
Hotspot Tracking Support Support Support
Image enhancement Support Support Support
Pseudo-color mode Supports nine color modes, including White Hot, Black Hot, Brown, Iron Red, and Rainbow. Supports nine color modes, including White Hot, Black Hot, Brown, Iron Red, and Rainbow. Supports nine color modes, including White Hot, Black Hot, Brown, Iron Red, and Rainbow.
Types / Colors of Division Lines 3 types of scale lines, 4 colors of scale lines 3 types of scale lines, 5 colors of scale lines 3 types of scale lines, 5 colors of scale lines
Detection range 1300 meters (typical climatic conditions) 1800 meters (typical climatic conditions) 2,800 meters (typical climatic conditions)
Recognition distance 300 meters (typical climatic conditions) 450 meters (typical climatic conditions) 700 meters (typical climatic conditions)
Eyepiece system
Display screen 0.39-inch OLED (1024×768) 0.39-inch OLED (1024×768) 0.39-inch OLED (1024×768)
Contrast 1000:1 1000:1 1000:1
Eye relief 25–70mm 25–70mm 25–70mm
Diopter -5 to 5D -5 to 5D -5 to 5D
Eyepiece magnification 15 times 15 times 15 times
Recording and Connection
Video and photo playback Supports one-tap photo and video capture, as well as local playback. Supports one-tap photo and video capture, as well as local playback. Supports one-tap photo and video capture, as well as local playback.
Image output HDMI@1024×768 (50Hz) HDMI@1024×768 HDMI@1024×768
Storage capacity Standard configuration: 64 GB (optional 256 GB) Standard configuration: 64 GB (optional 256 GB) Standard configuration: 64 GB (optional 256 GB)
Data Export Type-C 2.0 Type-C 2.0 Type-C 2.0
Ranging parameters 1200 m (accuracy ±1 m); 905 nm pulse 1200 m (accuracy ±1 m); 905 nm pulse 1200 m (accuracy ±1 m); 905 nm pulse
Video output HDMI HDMI HDMI
Wireless transmission Wi‑Fi/hotspot, supporting mobile viewing and live streaming via apps on smartphones, tablets, and laptops. Wi‑Fi/hotspot, supporting mobile viewing and live streaming via apps on smartphones, tablets, and laptops. Wi‑Fi/hotspot, supporting mobile viewing and live streaming via apps on smartphones, tablets, and laptops.
Built-in sensors and assistive features
Impact footage Impact-triggered automatic recording; pre‑recording saves video before and after the impact; adjustable impact video duration and impact sensitivity. Impact-triggered automatic recording; pre‑recording saves video before and after the impact; adjustable impact video duration and impact sensitivity. Impact-triggered automatic recording; pre‑recording saves video before and after the impact; adjustable impact video duration and impact sensitivity.
One-click gun calibration AI-powered hotspot detection and correction, with segmentation lines adjusted to the specified position. AI-powered hotspot detection and correction, with segmentation lines adjusted to the specified position. AI-powered hotspot detection and correction, with segmentation lines adjusted to the specified position.
Azimuth sensor Static accuracy: 0.05°; dynamic accuracy: 0.1° Static accuracy: 0.05°; dynamic accuracy: 0.1° Static accuracy: 0.05°; dynamic accuracy: 0.1°
Accelerometer Adjustable internally from 2G to 60G Adjustable internally from 2G to 60G Adjustable internally from 2G to 60G
Roll angle sensor Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1° Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1° Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1°
Pitch angle sensor Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1° Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1° Range: ±90°; Static accuracy: 0.05°; Dynamic accuracy: 0.1°
Environmental and Physical Specifications
Impact strength 1000G1000G1000G
Waterproof seal IP66 (airtight) IP66 (airtight) IP66 (airtight)
Operating ambient temperature -40℃ to +60℃ -40℃ to +60℃ -40℃ to +60℃
Storage temperature -45℃ to +70℃ -45℃ to +70℃ -45℃ to +70℃
Work environment humidity Humidity less than 90% (no condensation) Humidity less than 90% (no condensation) Humidity less than 90% (no condensation)
Typical power consumption ≤2.3W ≤2.3W ≤2.3W
Battery capacity 16340 rechargeable lithium battery, 3.7V @ 2600mAh 16340 rechargeable lithium battery, 3.7V @ 2600mAh 16340 rechargeable lithium battery, 3.7V @ 2600mAh
Continuous working hours Source not specified Continuous working time > 5 hours Continuous working time > 5 hours
Product dimensions 183×96×61 (mm) 183×96×61 (mm) 203×96×61 (mm)
Product weight ≤600g (including battery) ≤720g (including battery) ≤720g (including battery)
Equipped with accessories
Charging data cable USB to Type-C USB to Type-C USB to Type-C
Charger Standard charger Standard charger Standard charger
Instruction manual A copy A copy A copy
Packaging ABS-specific protective enclosure ABS-specific protective enclosure ABS-specific protective enclosure

Ranging and new specification basis: SSK/NW-SYNC25X V1.5, SSK/NW-SYNC35X V1.3, SSK/NW-SYNC55X V1.3. Detection/identification ranges are based on the confirmed data in the relevant pages and apply to typical climatic conditions; ranging distance is an independent metric, and the specific targets and test conditions are not specified in the original text.

Field of view and the Type‑C 2.0 interface should be filled in according to the specifications on the confirmed page. The SYNC25X’s battery life is not specified; the battery model and capacity are listed as per the original product documentation—please verify the exact specifications.

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Frequently Asked Questions

How do you choose between SYNC25X, SYNC35X, and SYNC55X?

The three models are equipped with 25mm, 35mm, and 54mm F1.0 lenses, respectively. Their detection/identification ranges are: SYNC25X—1,300 m / 300 m; SYNC35X—1,800 m / 450 m; SYNC55X—2,800 m / 700 m—suitable for typical climatic conditions. All three models offer a ranging distance of 1,200 m. Weighing no more than 600 g, 720 g, and 720 g, respectively, including the battery, they can be selected based on lens type, field of view, and portability requirements.

Are there two detector configurations: 384 and 640?

Yes. The three models are available with two detector configurations—384×288 and 640×512—both featuring a 12 μm pixel pitch. The specification table lists the field of view for each model side by side, allowing you to compare the observable area; please consult us to confirm the exact configuration available for delivery.

What’s the difference between digital zoom and picture-in-picture?

All three models support continuous electronic magnification from 1× to 8×. Standard zoom magnifies the entire field of view, while picture-in-picture zoom displays a magnified close-up while preserving the overall scene. Electronic magnification is not optical zoom and does not guarantee lossless image quality.

Does it support Wi‑Fi connectivity, photo and video recording, and local playback?

Supported. All three models feature Wi‑Fi and a hotspot, enabling viewing and live streaming via a mobile app, as well as one‑tap photo capture, video recording, and local playback. Standard storage is 64 GB, with an optional 256 GB; for details on the app and compatible devices, please contact Soske Technology.

Can it be used in rainy weather and low-temperature environments?

The product is rated with an IP66 waterproof and dustproof seal (airtight), operates in ambient temperatures from −40°C to +60°C, and functions at relative humidity below 90% (without condensation). It also withstands an impact resistance of 1000G. IP66 does not imply submersion; please operate in accordance with the official user manual.

What is the device’s battery life?

All three models have a typical power consumption of ≤2.3 W. The SYNC35X and SYNC55X specifications state a continuous operating time of over 5 hours; the SYNC25X does not specify a continuous operating time. Actual battery life may vary depending on factors such as temperature, wireless connectivity, and video recording.

What is the difference between SYNCX’s ranging and its detection/identification range?

Ranging is used to provide target distance information; the three models are rated for a nominal range of 1,200 m with an accuracy of ±1 m, employing pulsed 905 nm wavelength. Detection and identification ranges describe thermal imaging capabilities and constitute a separate set of performance metrics that are not interchangeable. Actual performance is influenced by the target and environmental conditions; the specifications do not mention a dual‑field‑of‑view switching feature.

PRODUCT RESOURCES

Download Materials

SYNC25X Monocular Thermal Imaging Rangefinder Night Vision Device Product Information · PDF

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SYNC35X Monocular Thermal Imaging Rangefinder Night Vision Device Product Information · PDF

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SYNC55X Monocular Thermal Imaging Rangefinder Night Vision Device Product Information · PDF

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Sosk Series Police Public Security Products – Volume Product Volume · PDF

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Upon unpacking and use, the standard package includes the above accessories.

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