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The WTM 320x240 Mini Thermal Monocular with Visible Laser and Picatinny Mount from EOTech is a multi-purpose thermal imaging device that features a weather-sealed housing and ergonomic button layout designed for user-friendly handheld viewing. By analyzing the heat signature within view, a thermal imager can produce an image regardless of the lighting condition. Indoors and outdoors—day and night—the WTM can see through fog, smoke, and heavy rain to reveal objects not visible even in a well-lit area. This model of the WTM is configured with and a red dot aiming laser that is factory-aligned with the monocular's reticle, making it a suitable option for targeted evidence gathering and surveillance.
Combined with 2x digital zoom and image optimization functions like selectable polarity modes and manual scene calibration, the WTM has an f/1.05 lens system and 18" close focus distance that equips it for close to mid-range observations. In addition to the WTM's fast optics and functionality, this monocular weighs only 11.8 oz and is practically silent during operation. The WTM is built to perform in driving rain and freezing temperatures, and it has an anodized finish to resist corrosion and scratching. This thermal monocular comes with a weapon mount for easy attachment to a Picatinny rail, as well as a carrying case, video transfer cable, and a one-year warranty from the manufacturer.
320x240 VOx microbolometer
7-14µm spectral response
60Hz refresh rate
1x magnification, 2x digital zoom
f/1.05 light gathering ability
23x18° angle of view
18" minimum focus distance
Aiming reticle overlaid on FOV
Laser Aiming Device
5mW Class IIIa laser
645nm visible output
Factory-aligned aiming point and reticle
Polarity modes: Black Hot / White Hot
Manual thermal scene calibration
Manual brightness and contrast adjustment
NTSC video output via analog video cable
Low-battery and two laser activation indicators
Includes Picatinny rail mount
Anodized composite housing
Aluminum and steel chassis
14 to 122°F operating temperature
Waterproof depth: 66 ft
11.8 oz weight with batteries
In the Box
EOTech WTM 320x240 Mini Thermal Monocular with Visible Laser, Picatinny Mount
Picatinny Rail Mount
Night Vision Filter
Video Output Cable
Limited One-Year Warranty
Table of Contents
320 x 240 uncooled VOx micro bolometer
7 - 14µm
Angle of View
23.4 x 17.6°
1" / 25 mm
Minimum Focus Distance
18" / 0.5 m
-6 to +4
Analog video cable
2 x DL123 batteries
Up to 3 hours of continuous operation
5 mW 645 nm (visible)
66 ft / 20 m
6 ft / 1.8 m
14 to 122°F / -10 to 50°C
5.0 x 2.8 x 2.2" / 12.7 x 7.1 x 5.6 cm
Weight (with Batteries)
11.5 oz / 326.0 g
EOTech WTM 320x240 Mini Thermal Monocular with Visible Laser, Picatinny Mount Review