HT0158X Features Infrared thermometer with ℃/℉ temperature display Laser On/Off selectable Laser targeting LCD with backlight Automatically power off Display hold function Need to plus 2℃ for body temperature Suitable for border， crossing， airports， railway stations， docks， etc. Easy to operate General Specs Brand & Model DT8380    Temperature Range -50 ~380℃ Spectral Response 7-18um Display Resolution 0.1℃ Working Temperature 0-50℃ Detection Time 0.8s Accuracy 2℃/2% Distance Ratio 12:1 Respond Time 500ms Power 9V battery Battery Life About 12 hours Transmitter Rate 0.95