Features: Non-contact infrared measurement, safe to use. Lightweight and portable, convenient to carry. One-key to switch the Measurement Mode Two temperature units for conversion: Fahrenheit or Celsius. Aiming towards the object with the distance of 10-30mm. Automatic storage of measurement data, you can view the data of previous measurement at any time. LEDs backlight display, can be used at night. One-second measurement, stable use and reliable quality. Specifications: Item type: Thermometer Color: Purple Material: ABS plastic Measurement Distance: 10-30mm Response-time: ≤2 seconds Auto-shutdown-Time: 15±5s Pow-er-Supp-ly: D C 3V (2 * 1.5V AAA-Batteries(NOT Included) Operating condition: 10-35℃, 20%-85% RH or less, 760 HPA-1060 HPA Package size: 180*120*50mm/7.08*4.72*1.96inches Package weight: 161g/5.67ounces Packing List: 1 * Thermometer 1 * Manual