With a modern, lightweight design the Thermal Handheld has the ability to hot track targets over 750 yards away. The smooth zoom and real time wifi-to-mobile connection keeps you locked on your target. Connection allows you to control and record the handheld from your mobile phone. 5 color palettes Stadiametric ranging Hot track Manual and auto NUC Adjustable contrast Adjustable brightness App connectivity IP66 USB-C charging 2.3-9.2x magnification, 35mm Objective Battery Information Internal Battery. (Non-swappable) Can run on external battery pack connected to unit's USB-C port