Description:ST400 Non-Contact Laser LCD Display Digital IR Infrared Thermometer Temperature Meter Gun -32-400\u2103It's suitable for hot water pipes、 hot engine parts、 cooking surfaces、 hot tubes insulation、 electrical connection、 ballasts in electric lights、 electric motors、 bearings、 wine coolers hot asphalt、 swimming pools、 fish tanks、 hot & cold food products、 heating air conditioning、 etc. Features:   \u2103\/\u2109 Seleciton. Laser power: class 2 operation Display hold. Buzzing prompting. White LCD backlight. Auto power off. Low battery indication. DC 9V battery.  Specification:  Model: ST400   Measurement range: -32-400\u2103 ( -25.6-752\u2109)   Accuracy: +\/- (25+2\u2103)   Resolution: 0.1\u2103 0.1\u2109   Distance spot ratio: 12:1   Emissivity: 0.95   Spectral response: 5-14um   Response time: 500msec、 95% of read  Power supply : 1 x 6F22 9V battery (Not included)       Package includes :           1 x GM320 Infrared Thermometer     1 x User Manual           Details pictures :