Laser target LCD with backlight Auto data hold and shut off Choose real-time, max,min, delta, average date ... typeOne 9V battery (6F22/6LR61)Battery life50HRS(not use laser and back light)Operating temperature , humidity0°C~40°C, RH 0 ... (L*W*H)135*36*170mmWeight(without battery)About 168g high quality small infrared thermometer