The sidekick 640 is a fully multi-functional 12-micron 320 thermal imaging monocular.Weighing under 210 grams, the sidekick can be used as a handheld mini-monocular or can be headset/helmet mounted utilizing the built-in mini-rail for hands-free operation.Features a high definition 1024x768 oled display; three button controls that allow for easy manipulation in the field and offers one-touch in-unit video recording; multiple color palettes; image detail enhancement; dovetail mini-rail included for helmet mounting (with optional mount); usb video stream; usb-c interface for external devices; compass; battery status indicator; ultem composite body and ergonomic design.Includes battery, usb-c cable, len cloth, soft case and product manual.Magnification: 1xObjective: 19mmField Of View: 24.16 x 17.37 DegreesBattery Size: CR123AFocus Range: 709 MetersDiopter Adjustment: -5/+5Battery Life: 1 hr