Title: DT8250 Pen Type IR Infrared Thermometer Non-Contact Temperature Instrument Meter DT8250 Non Contact IR Infrared Mini Digital Temperature Thermometer Cylinder Pen Mini Temperature Pen 12cm Pocket Non-contact Infrared Thermometer DT8250 New DT8250 Non-Contact Pen Type IR Infrared Mini Digital Temperature Thermometer Specifications: , Unit of temperature: Celsius Degree &F , Display: 3 ? digits on LCD display , Temperature range: -50Celsius Degree to 220Celsius Degree (-58F-428F) , Accuracy: \2% or 2Celsius Degree , Repeatability: 1% or 1Celsius Degree , Response time: <=0.8 second , Emissivity: 0.95 fixed , Working environment: 0-50Celsius Degree , Relative humidity: 10%-95RH non-condensing , Storage temperature: -20Celsius Degree to 50Celsius Degree , Power supply: 2pcs AG13 cell buttons (1.5V each) , Distance spot ratio: 1:1 , Recommended measuring distance: 10cm , Auto power off after 15 seconds if there is no other operation , Color: Orange , Product Weight: 29g Notes: If the surface of an object measured is covered with frost, dust or other materials, surface cleaning must be performed before accurate measurement can be made. And if the surface of an object to be measured is highly reflective with a very low emissivity value, please apply masking tape or flat back paint to the surface to improve the accuracy of the measurement. Package Include: 1 x Temperature Pen Mini Pocket Non-contact Infrared IR Thermometer 1 x Temperature Pen User's manual