ATN ODIN LT 640 1-4X COMPACT THERMAL VIEWER Lens 19 mm Resolution 640x480, 60 fps, 12 um Magnification 1-4x Field of View 23.2x17.4 Core ATN Obsidian Core LT Display Resolution 1280x960 px Eye relief 25 mm IP rating Weather resistant Color modes White Hot, Black Hot Battery type 1 x CR123A (Li-ion) Battery life (Li-ion) 2.5 Hrs (or Optional Rechargeable Battery with 5 Hrs of runtime) Charging USB, type C port is on the Optional Rechargeable Battery Operating Temperature -20°F to +120°F / -28°C to 48°C Dimensions 5.16"x2.8"x1.81" / 131x71x46 mm Weight 285 g Human Detection Range 715 Human Recognition Range 445 Human Identification Range 260 Warranty 3 Years Country of Origin USA