MESTEK 800B Infrared Temperature Measuring Device High-Precision Industrial Thermometer Handheld Thermometer with 12-Point Laser Positioning •High Precision Infrared Thermometer: Full view reverse display color screen,0.5-second fast temperature measurement •Application Range of Thermometer: The surface temperature is determined by measuring the reflected energy of the object's surface •Industrial Grade Zero Devices: Imported metal sensor,precise measurement of sudden temperature difference is more sensitive •12-Point Laser Positioning: Laser lamp aiming and positioning fast locking measurement range •High and Low-Temperature Alarm: High and low-temperature alarm,when the measured temperature exceeds the set alarm value. The indicator on the top of the instrument turns on a red warning light Specifications: •Range: -50℃-800℃ •Inverted color screen: Yes •Temperature probe: Yes •Ambient temperature: Yes •Environment humidity: x •Mildew: x •Dew point: x •Resolution: 0.1℃ •Emissivity: 0.1~1.0Adjustable •Laser spot: 12-point laser •Max: Yes •HD backlight: Yes •Data retention: Yes •Object distance ratio: 12: 1 •Response time: < 0.5s •Response wavelength: 8-14um •Operating temperature: 0~50℃ •Storage temperature: -20~60℃ •Automatic shut-down: 30s •Battery: 1.5V x 2 AAA battery (Not Included) •Size: 150 x 103 x 44mm Package included: •1 x Thermometer •1 x Probe •1 x English Manual