The thermometer is lightweight and compact.With the backlight colorful screen display, it is easy to read.Laser aiming can aim accurately.It will automatically shutdown in 20 seconds.Celsius and Fahrenheit can be exchanged.The thermometer is lightweight and compact.Item Name: Infrared ThermometerMaterial: ABSModel: 550Power Supply: 9V Battery (Included)Accuracy: 1.5 Celsius DegreeTemperature Range: -50 Celsius Degree - 550 Celsius Degree (-58 Fahrenheit Degree - 1022 Fahrenheit Degree)Resolution: 0.1 Celsius Degree or 0.1 Fahrenheit DegreeRepeat-ability: 1% or 1 Degree CelsiusResponse Time: 500msSpectral Response: 8-14umEmissivity: 0.95 Minutes PresetDistance Ratio: 10:1Working Temperature: 0-40 Celsius Degree (32-104 Fahrenheit)Working Humidity: 10-95%RHStorage Temperature: -20-60 Celsius Degree (-4-140 Fahrenheit)Size: 14cm x 7cm x 3.8cm/5.51" x 2.76" x 1.5" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Infrared Thermometer1 x User Manual