The non-contact infrared thermometer is perfect for measuring hot objects at a safer distance to monitor electrical, mechanical, HVAC, automotive systems, kitchen appliance, food, water, oil, and more. Features: Quick Measuring & Wide Range - Super fast reponse in 0.5 seconds, and able to measure at the range of -58 to 716°F(-50 to 380°C). High Accuracy - Use the 12:1 distance to spot ratio measurement method to deliver a more accurate result of object’s temperature, at resolution of 0.1°F(0.1°C). Self Calibration - You can calibrate the thermometer and adjust temperature between -5°C and 5°C. And the emissivity is adjustable between 0.95 and 0.8. Auto Off - The unit will automatically turn off if there is no operation in 20 seconds to conserve the battery. Practical Functions - °C/°F unit conversion, data hold, maximum/minum value, and backlight. Versatile Use - Works for measuring the temperature of refrigerator, food, oil/water, air conditioner, fish tank, mixed solution, automobile(like