Item Type: Temperature Measuring Gun_x000D_Material: ABS plastic_x000D_Response Time and Wavelength: 500ms 8-14m_x000D_Temperature Range: -50 to 600_x000D_Accuracy: 0~600: 1.5_x000D_-50~0: 3_x000D_Distance to Material Ratio: 12: 1_x000D_Working Temperature: 0~50_x000D_Storage Temperature: -20 ~ 60_x000D_Working Humidity: 10%~ 90% RH_x000D_Emissivity: 0.95_x000D_Battery Model: 2 x 1.5V AAA (delivered without batteries)_x000D_Purpose: Used for temperature measurement of various hot, dangerous, and difficult-to-reach objects. 1/ unit can be selected, with data retention function and laser target indicator ON/OFF selection. 2With backlight on/off selection, the power will be automatically turned off within 7 seconds without any operation. 3This product is used to measure the surface temperature of objects, such as hot water pipes, hot engine parts, cooking surfaces, etc. 4There are 4 colors of red, yellow, blue and orange, you can choose what you like. 5Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 1 xTemperature MeasuringGun 1 x User Manual