| Model | HT A401 | HT A402 | HT A403 |
| Detector type | Vox | Vox | Vox |
| Resolution | 384×288 | 640×512 | 1280×1024 |
| Pixel spacing | 12μm | 12μm | 12μm |
| Focal length | 35mm | 35mm | 50mm |
| NETD | ≤30mk@25℃, F#1.0 | ≤25mk@25℃, F#1.0 | <40mK (@f/1.0, 30Hz, 300K) |
| Wavelength coverage | 8~14μm | ||
| Frame rate | 25Hz | ||
| Focusing mode | Manual | ||
| Display screen | 0.5 Inch MOLED | ||
| Display screen Resolution | 1600×1200 | ||
| Ranging accuracy | ≤400m±1m, >400m±0.4% | ||
| System function | WIFI/CVBS/Photo/Video/Picture-in-picture/Hotspot tracking | ||
| Language | Chinese, English | ||
| Magnification | ×1/×2/×4/×8 | ||
| Color palette | White Hot, Black Hot, Fire Hot, Rainbow, Iron Red, Cold Color | ||
| Battery type | Rechargeable/detachable lithium battery | ||
| Battery Working Time | ≥8h | ||
| Built-in storage | Built-in 16GB | ||
| Protection Level | IP67 | ||
| Product size | / | ||
| Product weight | / | ||
| Other Specifications | |||
| Lens | 50mm | 35mm | 35mm |
| Detection distance - Human | 1653m | 1653m | 1653m |
| Detection distance - Vehcle | 4375m | 4375m | 4375m |
| Identification distance - Human | 413m | 413m | 413m |
| Identification distance - Vehcle | 1094m | 1094m | 1094m |
HT A401/A402/A403
HT A401/A402/A403 Monocular Thermal Imager
This product is a night and day dual-use infrared night vision instrument, suitable for nature observation, outdoor hunting, searching and rescuing, maritime operating, night time patrolling, personal security, etc.
Vanadium Oxide VOx detector, up to 1280×1024 resolution, NETD ≤ 25 mk, full 8–14 µm spectrum capture—delivers razor-sharp images even in 0.001 lux starlight.
50 mm pro-grade lens with built-in laser rangefinder: ±1 m accuracy within 400 m, human detection out to 4.3 km, vehicle recognition at 1 km—distance disappears in the dark.
0.5-inch monocular OLED, IP67 dust-tight & waterproof, hot-swappable battery for 8 h runtime, operates from –20 °C to 50 °C; one-hand control, 155 g light enough to helmet-mount and go.
25 Hz live video, 1×–8× digital zoom, six pseudo-color palettes on tap; snap photos / record video / Wi-Fi stream in real time, 16 GB internal memory—evidence shared in seconds.
Picture-in-picture, hot-spot tracking, bilingual EN/CN menus—patrol, power-line inspection, search-and-rescue, night hunting—one device masters every mission, making darkness reveal itself instantly.
Ultra HD Infrared, Precision Imaging, Omni-Domain Control！
The HT A401/A402/A403 series offers professional-grade resolution options (384×288/640×512/1280×1024) paired with an ultra-HD 1600×1200 display, delivering exceptionally detailed thermal imaging. With 25Hz frame rate for stable observation and six color palettes (White Hot/Black Hot/Iron Hot/Rainbow/Iron Red/Cold), the system intelligently optimizes imaging performance across various scenarios.
infrared thermogram
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