Battery: 2x button battery Repeatability: 1 percent 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 percent or 2°C Relative humidity: 10 percent -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 or 0.7 oz Package weight: 30g or 1.1oz Item size: 9x2x1.9cm or 3.5x0.8x0.7in Packing size: 9.5x3x3cm or 3.7x1.2x1.2in 1,1. Non contact infrared thermometer pen, small size, small and portable, easy to use. 2,2. With LCD screen, clear display of temperature and remaining power. 3,3. You can select Celsius or Fahrenheit through the hole on the back of the temperature pen. 4,4. Accuracy: ± 2 percent or 2°C. Temperature range: 50°C to 220°C ( 58°F to 428°F). 5,5. Thermometers are only suitable for industrial use.1xTemperature pen 1xInstruction Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.