The Triplett IRTC400 Thermal Imager can be used for preventative maintenance and troubleshooting of electrical and HVAC systems, mechanical breakdowns, water leaks and moisture buildup, heat loss from missing insulation and faulty windows/doors, automotive repair and other places to find hidden leaks and hot spots. The thermal imager has a 120 x 90 pixel (10,800) thermal detector with ≤60mk Thermal Sensitivity (NETD) that displays center spot and high/low temperature tracking on a 2.4 in. (61 mm) focus-free, color TFT display with 320 x 240 resolution. Additional features include an easy-to-use 4-button menu, user programmable audible and visual high/low temperature alarms, real time clock/calendar, a built-in LED work light and Auto power off with disable. Use the on board-image gallery to view you images (.bmp) or transfer them to your PC via USB interface that is also used to recharge the thermal imager. Includes 3.7-Volt rechargeable Lithium Ion battery, USB cable, software and 32G microSD card. 1-year warranty.