Guide TD433L 3.0 Thermal Monocular
Guide TD433L 3.0 Thermal Monocular
The TD Gen3 LRF Series handheld thermal imaging monocular is engineered for precision and performance, featuring a fully integrated laser rangefinder (LRF) within a compact and lightweight housing. Its central focusing roller enables smooth, one-handed operation, while the ambidextrous, symmetrical design ensures optimal handling comfort for both left- and right-handed users.
Equipped with a high-capacity rechargeable battery, the TD Gen3 LRF delivers up to 12 hours of continuous operation, making it ideal for extended field use. The rugged IP67-rated construction provides superior protection against dust, water, and harsh environmental conditions.
Built-in Wi-Fi connectivity allows seamless pairing with external devices for real-time image transmission, data sharing, and firmware updates, enhancing both functionality and user experience in the field.

Powerful 12μm Detector for Sharper Images
The TD Gen3 LRF Series features a 12μm infrared detector, available in 640×512 and 400×300 resolutions, paired with a 35mm lens to deliver crisp, detailed images even in complete darkness.
Ambidextrous Design, Effortless One-Handed Operation
Designed for ambidextrous use, the symmetrical housing ensures equal comfort for left- and right-handed users. The ergonomic control layout enables smooth, one-handed operation
Fine Focus Control, Fingertip Precision
The mini focusing roller allows for fast, precise adjustments with a simple one finger scroll.
Large AMOLED Display for Upgraded Visuals
Building on the previous generation, the TD Gen3 LRF Series features a 0.49" AMOLED display with 1280×960 resolution, delivering sharper detail and a more comfortable viewing experience.
Built-in LRF For Precise Target Identification
Seamlessly integrated into the design, the built-in laser rangefinder enhances both portability and functionality, offering precise distance measurement up to 1200 metres.
Specifications
| Product Name | Guide TD433L 3.0 Thermal Monocular |
|---|---|
| Laser Rangefinder | 1000m |
| Type-C Power Supply | 5V DC 2A via USB-C |
| Battery Operating Time | 12 hours |
| Battery Type | 18650 Battery ×1 |
| Audio Recording | Yes |
| Standby Mode | Yes |
| Hotspot | 2.4 GHz / 5 GHz Wi-Fi |
| Capture Snapshot | Yes |
| Record Video | Yes |
| Working Temperature | From -20°C to 50°C |
| Dimension | 159×54×74mm |
| Weight | 357g |
| Protection Level | IP67 |
| Image Pro | N/A |
| HSIS | N/A |
| Zoom Pro | N/A |
| Diopter | -6D to +6D |
| Exit Pupil | - |
| Palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Display | 0.39'' AMOLED 1920×1080 |
| Magnification | 2.9x~11.6x |
| Field of View (Degrees/m @ 100m) | 11.0°×8.2° |
| Detection Range | 1300m |
| NETD | NETD <25mK |
| Response Waveband | 8μm to 14μm |
| Pixel Interval | 12μm |
| Frame Rate | 50Hz |
| Sensor Resolution | 400×300 |
| Lens (Focal Length) | 35mm F1.0 |