NOTE: Peel off the screen protective film before use. The wall-mounted non-contact infrared thermometer can measure temperature within 1-10cm distance from forehead within 1S, reliable and accurate readings display on the screen. Celsius and Fahrenheit unit can be switched. Features: Non-Contact Measurement: The non-contact infrared thermometer, you only need to stand in the distance range of 1-10cm in front of the thermometer. Avoid touch skin, more healthy and safe. Accurate and Reliable: The forehead thermometer is equipped with the advanced infrared technology and high precision sensor for getting reliable and accurate readings within 1s. Large Screen Display: The thermometer features the LCD display with large and clear fronts, thus making reading clear. C and F Unit Switchable: This Auto Intelligent infrared thermometer can show readings in Celsius or Fahrenheit. The measuring range: 32 C-43 C / 89.6F-109.4F. Memory Function: It can store 50 sets of measurement data for easy comparison. Abnormal Temperature Alarm: If the temperature was over than 42.9C, the thermometer will beep three times and show Hi; If the temperature was lower than 32C, the thermometer will beep three times and show Lo. Flexible Installation: This infrared thermometer can be placed on a tripod or fixed on the wall. Hands-free and self-service test to ensure personal safety. Wide Applicability: Widely used at home or in factories, office buildings, supermarkets, restaurants, schools and community entrance and so on. Specifications: Screen: LCD digital display Measuring Mode: Non contact Measuring Site: Forehead Measuring Distance: 1-10cm Response Time: 1S Measuring Range: 32 C-43 C / 89.6F-109.4F Measurement Accuracy: 0.2C Display Unit: Celsius(C) / Fahrenheit(F) Memory Array: 50 Power supply: DC5V / 4*AAA batteries(not included) Package Size: 13 * 8.5 * 3cm Package Weight: 151g Packing List: 1 * Thermometer 1 * English User Manual