The Armasight Warden 640 Thermal Monocular combines a compact, lightweight design that keeps operators mobile during critical operations. It performs across diverse applications including scouting, search and rescue, surveillance, wildlife observation, hunting and law enforcement.
The monocular delivers a 22×18 degree field of view with 2-8x magnification. Its 640×480 thermal sensor paired with a 35mm germanium lens detects heat signatures to 1300 meters, maintaining performance in total darkness, fog, smoke and severe weather conditions. The unit runs on Armasight’s Iron Wolf platform and includes video and image capture, USB video streaming via USB-C interface, multiple color palettes, simple 3-button controls and image enhancement features optimized for field use.
Each unit ships with a neck lanyard, USB-C cable, two CR123A batteries, lens cloth, soft case and product manual. The Warden 640 is engineered for scouting, search and rescue, surveillance, wildlife observation, hunting and law enforcement applications.






