Contactless Mini Digital Infrared Thermometer with LCD Handheld Portable Pocket Temperature Pen Battery: 2* button battery Repeatability: 1% or 1 °C Display resolution: 0.1 °C or 0.1 °F Working environment: 0-50 °C Temperature range: -50 -220 ℃ (-58°F-428°F) Accuracy: ±2% or 2°C Relative humidity: 10%-95RH non-condensing Storage temperature: -20°C-50°C Test time: ≤ 0.8 seconds Distance to spot ratio: 1:1 (the ratio of distance to measuring point size) Default emissivity: 0.95 Recommended measuring distance: 10cm Material: Plastic Color: orange, black, red, blue, green (optional) Item weight: 20g/0.7 oz Package weight: 30g/1.1oz Item size: 9*2*1.9cm/3.5*0.8*0.7in Packing size: 9.5*3*3cm/3.7*1.2*1.2in