-50 to 300C Mini Digital Non-Contact IR Infrared LCD Thermometer DT-300 Black

Specifications:Net weight: 45gColor: BlackSize: 8.0 * 5.0 * 2.35 cm/3.12 * 1.92 * 0.92"Display:3 ½ digital on LCD displayTemperature range: - 50C to 300C ( -58F - 572F )Accuracy: 2% or 2CResolution: 1% or 1CResponse Time : 0.8 secondEmissivity : 0.95 as default (setting range 0.1-0.99)Working environment: 10C to 40CRelative humidity:10% -90 RHStorage temperature: -10C to 40CPower: 2pcs AAA batteries ( 1.5V / each ) ( Batteries are not included )Distance Spot Ratio : 2 : 1Recommend measuring distance : 20mm to 130mmResolution: 0.1C or 0.1F 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 paint to the surface to improve the accuracy.Press button 2 turn on the unit, the meter will auto power off after 10 seconds without operation