Features: 1. Used for measuring the surface temperature of an object. 2. Non-contact instrument can measure various hot, hazardous or hard-to-reach objects which is safe to use. 3. Multiple functions: data hold, Max./Min./AVG./DIF./LAL/HAL/STO/EMS values, it can automatically power off. 4. Optional temperature units: Celsius(°C) and Farenheit(°F). 5. Digital LCD display with backlight, it is convenient to read at night. Specification: Condition: 100% Brand New Model: WT900 Temperature Range: -50°C~950°C(-58°F~1742°F) Accuracy: 0~950°C(32~1742°F): ±3% or ±1.5℃ -50~0°C(-58~32°F): ±3°C Accuracy: ±1% or ±1℃ D/S=Approx.12:1 Ratio(D: Distance; S=Spot or Target) Emissivity: 0.10~1.00 Adjustable Repeatability: 1% of reading or 1°C Respond Time: 500ms IR Spectral Response: 5 to 14μm Operating Temperature: 0°C~40°C(32°F~104°F) Storage Temperature: -20°C~60°C(-4°F~140°F) Operating Humidity: 10% - 95% RH Non-condensing Power Supply: 1 * 9V Battery(NOT Included) Weight: Approx. 275g / 9.7oz Package List: 1 * Infrared Thermometer 1、Used for measuring the surface temperature of an object. 2、Non-contact instrument can measure various hot, hazardous or hard-to-reach objects which is safe to use. 3、Multiple functions: data hold, Max./Min./AVG./DIF./LAL/HAL/STO/EMS values, it can automatically power off. 4、Optional temperature units: Celsius(°C) and Farenheit(°F). 5、Digital LCD display with backlight, it is convenient to read at night.