Features:              Display screen: 3.5 inch full viewing angle high-resolution TFT screen              Infrared Image Resolution: 384 * 288              Display screen resolution:640 * 480              Field angle/shortest focus length :13mm              Thermal sensitivity:≤60mk@25& 8451;& 65292;F 1.0              Temperature measurement range:-20& 8451; to 550& 8451; (-4°F to 1022°F)              Measurement accuracy:±2% digital / ±2& 8451;              Emissivity:Adjustable from 0.01 to 1.0              Frame rate of thermal images:25Hz /50Hz              Color palette:rainbow,iron oxide red,cold color,black&white,white&black              View option:the integration of thermal image with 25% step length and visible image              Storage medium:Built-in 3G(above 20 thousand image stored)              File format:JPG              USB:micro USB 2.0              Power supply:built-in chargeable 26650 battery Automatic power-off time"selectable:5 minutes/20 minutes/not power off automatically              Product size(length*width*height):97mm*129mm*256mm              Work temperature:0& 8451; to 45& 8451;              Storage temperature:-20& 8451; to 60& 8451;              Relative humidity:& 65308;85%RH                             Package List:              1 * Thermal Imaging Camera              1 * User Manual              1 * US/UK/EU/AU Plug Charger              1 * USB Line              1 * Protection Case