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KTB-640 is a dual-light fusion handheld observation device equipped with low-light detector, infrared detector, OLED display and wide-field eyepiece. It enables rapid target detection and locking in harsh weather like smoke, fog, rain and snow, meeting long-range reconnaissance needs. With dual-light fusion and target enhancement functions, it improves target recognition while supporting photo/video recording for scene reproduction.
Low-Light, Infrared & Fusion Modes
Built-in Electronic Compass
Probability Ranging
Compact, Lightweight & Long-Endurance
Target Contour Enhancement
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KTB-640 is a dual-light fusion handheld observation device equipped with low-light detector, infrared detector, OLED display and wide-field eyepiece. It enables rapid target detection and locking in harsh weather like smoke, fog, rain and snow, meeting long-range reconnaissance needs. With dual-light fusion and target enhancement functions, it improves target recognition while supporting photo/video recording for scene reproduction.
Low-Light, Infrared & Fusion Modes
Built-in Electronic Compass
Probability Ranging
Compact, Lightweight & Long-Endurance
Target Contour Enhancement
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| Category | Item | Specification |
| Thermal Imager & Lens | Thermal Imager Lens (Resolution & Pixel) | 640×512; 12μm |
| Thermal Imager Lens Type | 35mm (Manual Focus) | |
| Field of View (FOV) | 12.6°×10.1° | |
| Low-Light Lens (Resolution & Pixel) | 800×600; 16μm | |
| Low-Light Lens Type | 46mm (Fixed Focus) | |
| Display | Display Screen | 0.49-inch OLED Display, Resolution: 1920×1080 |
| Image Effects | Brightness, Contrast, Enhancement, Shutter Correction, Polarity, Image Magnification | |
| Diopter Adjustment | -5 SD~+5 SD | |
| Detection & Recognition Distance | Detection Distance - Human (1.7×0.5m) | 1300m |
| Detection Distance - Vehicle (2.3m) | 1800m | |
| Recognition Distance - Human (1.7×0.5m) | 300m | |
| Recognition Distance - Vehicle (2.3m) | 600m | |
| File Storage/Playback | Image Storage Format | JPEG |
| Video Storage Format | Mp4 | |
| Playback Function | Supports local photo and video playback; can also export to computer for viewing | |
| Memory Card | Built-in 32/64G EMMC Storage | |
| Other Functions | Positioning Method | Supported |
| Probability Ranging | Supported | |
| Highlight Target Anti-Light Leakage | Supported | |
| External Interfaces | External Interfaces | PAL+USB+RS232+DC12V |
| Tripod Interface | Standard Interface, 1/4'' | |
| Wireless Transmission | Optional | |
| Power Supply & Battery Life | Battery | 2×18650 Rechargeable Lithium Batteries |
| Battery Life | ≥4h | |
| Environmental Adaptability | Operating Temperature | -40℃~+50℃ |
| Storage Temperature | -45℃~+60℃ | |
| Protection Class | IP66 | |
| Appearance | Weight | ≤1Kg |
| Dimension | ≤153mm×150mm×68mm |
| Category | Item | Specification |
| Thermal Imager & Lens | Thermal Imager Lens (Resolution & Pixel) | 640×512; 12μm |
| Thermal Imager Lens Type | 35mm (Manual Focus) | |
| Field of View (FOV) | 12.6°×10.1° | |
| Low-Light Lens (Resolution & Pixel) | 800×600; 16μm | |
| Low-Light Lens Type | 46mm (Fixed Focus) | |
| Display | Display Screen | 0.49-inch OLED Display, Resolution: 1920×1080 |
| Image Effects | Brightness, Contrast, Enhancement, Shutter Correction, Polarity, Image Magnification | |
| Diopter Adjustment | -5 SD~+5 SD | |
| Detection & Recognition Distance | Detection Distance - Human (1.7×0.5m) | 1300m |
| Detection Distance - Vehicle (2.3m) | 1800m | |
| Recognition Distance - Human (1.7×0.5m) | 300m | |
| Recognition Distance - Vehicle (2.3m) | 600m | |
| File Storage/Playback | Image Storage Format | JPEG |
| Video Storage Format | Mp4 | |
| Playback Function | Supports local photo and video playback; can also export to computer for viewing | |
| Memory Card | Built-in 32/64G EMMC Storage | |
| Other Functions | Positioning Method | Supported |
| Probability Ranging | Supported | |
| Highlight Target Anti-Light Leakage | Supported | |
| External Interfaces | External Interfaces | PAL+USB+RS232+DC12V |
| Tripod Interface | Standard Interface, 1/4'' | |
| Wireless Transmission | Optional | |
| Power Supply & Battery Life | Battery | 2×18650 Rechargeable Lithium Batteries |
| Battery Life | ≥4h | |
| Environmental Adaptability | Operating Temperature | -40℃~+50℃ |
| Storage Temperature | -45℃~+60℃ | |
| Protection Class | IP66 | |
| Appearance | Weight | ≤1Kg |
| Dimension | ≤153mm×150mm×68mm |