The warden 640 is a compact, lightweight design, keeping users agile in critical situations.Ideal for applications such as scouting, search and rescue, surveillance, wildlife observation, hunting and law enforcement.Featuring an expansive 22x18 degree field of view; 640x480 thermal sensor; 35mm germanium lens detects heat signatures up to 1300 meters, even in total darkness, fog, smoke and harsh weather.Equipped with armasight's iron wolf platform; video and image capture; usb video streaming; a usb-c interface; multiple color palettes; simple 3-button controls and image enhancements for optimal performance in the field.Includes neck lanyard, usb-c cable, two cr123a batteries, lens cloth, soft case and product manual.Resolution: 640x480, 12 Microns, 60HzMagnification: 2-8xObjective: 35mmField Of View: 22 x 18 DegreesBattery Size: CR123AWeight: 0.99 lbsControls: ManualBattery Life: 4 hrs