640×512@12μm infrared resolution
20mm, F0.9; 60mm, F1.1 lens focal length
Laser Rangefinder: Up to 1000m
Frame Rate: 50Hz
High-Sensitivity Infrared Detector
The Handheld Thermal Monocular adopts a high-performance 640×512 @ 12μm infrared detector with an NETD as low as 20mK, capable of distinguishing even the slightest temperature differences. This ensures sharper, clearer, and more detailed thermal imaging performance in all environments.

2–3× Optical Zoom, Detection Range up to 3100m
Equipped with a dual-field-of-view 20mm–60mm lens, the device allows one-click switching between wide and narrow fields of view—perfectly balancing large-area observation and long-range detection. It can detect targets up to 3100 meters away.

Fast and Smooth Focusing
The precisely engineered focus ring of the Handheld Thermal Monocular enables users to switch smoothly from 20mm to 60mm within one second and fine-tune the focus for optimal image clarity, ensuring quick response in dynamic environments.

Ultra-Large Display for Immersive Viewing
To enhance viewing comfort and efficiency during outdoor exploration, the Handheld Thermal Monocular features an upgraded high-definition display, delivering an immersive visual experience equivalent to a 70-inch screen at 2.5 meters—like enjoying a personal theater in the field.

1000m Laser Rangefinding
An integrated laser rangefinder provides accurate distance measurement up to 1000 meters, improving long-range target acquisition and situational awareness in various operational scenarios.

Intelligent Sleep Mode
The Handheld Thermal Monocular features a smart power management system that automatically switches between sleep and wake-up modes based on the device’s orientation. This reduces power consumption and significantly extends battery life, ensuring reliability during extended missions.
The Handheld Thermal Monocular Zoom Version—where advanced infrared imaging, intelligent design, and rugged performance meet to deliver exceptional results for surveillance, outdoor exploration, and tactical applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | TJ660LZ |
| Detector Type | Uncooled VOx infrared detector, 8–14μm |
| Resolution | 640×512@12μm |
| NETD | 20mK |
| Frame Rate | 50Hz |
| Lens | 20mm, F0.9; 60mm, F1.1 |
| Field of View (H×V) | 21.7×17.5; 7.3×5.9 |
| FOV (m @100m) | 38×31; 13×10 |
| Optical Magnification | 1.5x~12.0x; 4.5x~36x |
| Detection Range (Human) | 1000m; 3100m |
| Focus Mode | Manual focus |
| Display Type | 0.39” AMOLED 1920×1080 |
| Color Palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue, Sepia |
| Eyepiece | 16mm eye relief, ±6 diopter adjustment, 18× magnification |
| Laser Rangefinder | 1000m |
| Wireless Connectivity | Wi-Fi 2.4G / 5G, |
| Interfaces | USB Type-C (Power supply / USB 2.0 data) |
| Built-in Modules | Microphone, Compass, Gyroscope, Bluetooth |
| Image/Video Capture | Supported (Photo & Video with Audio) |
| Internal Storage | 64GB |
| Battery Type | 18650 × 2 |
| Operating Time | Up to 10 hours |
| Operating Temperature | -20°C to +50°C |
| Protection Rating | IP67 |
| Weight | 784g |
| Dimensions (L×W×H) | 259×97×66mm |
| Standard Accessories | Main unit, hand strap, 2×18650 batteries, charger, USB Type-C cable, 5V/2A power adapter, quick start guide, warranty card |
| Optional Accessories | Bluetooth remote control, additional 18650 batteries |








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