Features: New Mini Digital Non-Contact IR Infrared LCD Thermometer DT-300 Black 100% BRAND NEW Display:3 digit on LCD display Temperature range: - 50 to 300 ( -58 - 572 ) Accuracy: 2% or 2 Repeatability: 1% or 1 Response Time : 0.8 second Emissivity : 0.95 as default (setting range 0.1-0.99) Working environment: 10 to 40 Relative humidity:10% -90 RH Storage temperature: -10 to 40 Power: 2pcs AAA batteries ( 1.5V / each ) (Included) Distance Spot Ratio : 2 : 1 Recommend measuring distance : 20mm to 130mm Resolution: 0.1 or 0.1 Measurement Tips: If surface of object is covered with frost, dust or other materials. Please clean surface to get accurate measure result. If the surface of an object to be measured is highly reflective with very low emissivity value. Please apply masking tape or apply flat black pain to the surface to improve the accuracy. Press button turn on the unit, the meter will auto power off after 10 seconds without operation. Specification: Original box: Yes Size:8.0 x 5.0x 2.35 cm Color: Black Packing Content: 1 x Non-Contact IR Infrared LCD Digital Thermometer 2 x AAA batteries( 1.5V / each )