TD Gen2 Series follows the design of traditional optical equipment. It is a lightweight, portable, simple operation with a wide range of application scenarios for handheld thermal imaging monoculars. With a high-brightness OLED display, TD Gen2 Series provides clear imaging and a comfortable viewing experience with a battery life of up to 10 hours, making it the ideal equipment for outdoor night vision.
Product Parameters Comparison |
Product model |
TD411 LRF |
TD421 LRF |
TD431 LRF |
Sensor |
Type |
Uncooled VOx Infrared Detector, 8 to 14 μm |
Resolution |
384 × 288, 12 μm |
NETD |
≤40mK |
Frame rate |
50 Hz |
Lens |
Focal length |
19 mm; F1.0 |
25 mm; F1.1 |
35 mm; F1.0 |
Field of view |
13.6° × 10.3° |
10.4° × 7.9° |
7.5° × 5.6° |
Optical zoom |
1.4x |
1.9x |
2.6x |
Digital zoom |
1x, 2x and 4x |
Focus |
Manual |
Display |
Display type |
0.23’’ AMOLED |
Resolution |
640 × 400 |
Eyepiece |
Exit pupil distance≥12 mm; Diopter: -4 to +2; Zoom: 18x |
Video output |
Analog video |
Detection Range |
Detection range |
800 m |
1000 m |
1400 m |
Hardware |
Laser rangefinder |
Max. measuring range: 600m |
Functions |
Scene modes |
Enhanced, Highlight and Natural |
Color palettes |
Black Hot, White Hot, Red Hot, Iron Hot, Blue Hot |
PIP |
Available |
Hot spot tracking |
Available |
Rough ranging |
Available with APP |
WIFI |
2.4 G |
Supported Application |
TargetIR |
Firmware OTA |
Upgrade device firmware via app connection |
Others |
PIP, Hot spot tracking |
Power |
Battery type |
Single, replaceable 18650 battery |
Operating time |
≥ 10 hours |
Interface |
USB |
USB Type-C |
Video interface |
USB Type C |
Mechanical interface |
UNC ¼"-20 (Tripod mounting), Mechanical expansion interface |
Environmental |
Storage temperature |
-30 °C to 60 °C |
Humidity |
10 % to 95 % non-condensing |
Shock |
30 G at 11 ms half sine pulse (as per IEC60068-2-27) |
Drop |
1 m |
Encapsulation |
IP66 |
Certification |
IP66, FCC, CE, RoHS, EAC, WEEE, un38.3, IEC 60825-1 Class 2 |
Physical |
Weight |
≤383 g |
≤360 g |
≤393 g |
Size (L × W × H) |
150×75×74 mm |
150×77×74 mm |
Standard |
A device, lens cover and lanyard, Battery charger, single 18650 battery, USB Type-C cable, Wrist strap, Carry bag, Eye mask, Quick use guide, Warranty card |