and high quality,Mini pen design with a strap, portableAdditional functions: 1.Auto power off after 15 seconds 2. Fahrenheit / Celsius Selection 3.Low Battery Indication Material: ABSColor: BlackLED Lighting Selection Data Hold FunctioModel: DT8220Type: Pen shapeSuitable for: Home use thermometerTemperature range: -50 Celsius to 220 Celsius / -58 Fahrenheit to 428 Fahrenheit Accuracy: +/-2% or 2 Celsius Repeatability: 1% or 1 Celsius Response time: Less than equal 0.8 secondEmissivity: 0.95 fixedWorking environment: 0-50 Celsius Relative humidity: 10% -95RH noncondensingStorage temperature: -20 Celsius to 50 Celsius Net weight: 20gPower: 2pcs*AG13 cell buttons (1.5V/each)Distance spot ratio: 1: 1Recommend measuring distance: 10mm to 80mmResolution: 0.1 Celsius or 0.1 Fahrenheit Package Contents: 1* Pen Thermometer2* AG13 cell batteries1* User Manualthis product is not suitable for measuring temperature of body surface,Forehead,Baby Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.