The non-contact infrared thermometer adopts high-accuracy sensor to automatically measure body temperature in about 0.5s. It also Features multi-language voice broadcast, alarm function, BT function and remote check for convenient use. It can be wall mounted or tripod supported, and can be widely used in home, offices, hotels, shopping malls, supermarkets, schools, restaurants, rail stations, factories and more public places. Features: Uses high-precision infrared sensor, auto and quickly measuring within about 0.5 second. Non-contact design, 5-10cm (2-3.9in) measuring distance. Colorful screen display, large temperature digits for convenient reading. Easy to switch unit of celsius / Fahrenheit . Automatically save 99 sets of measurement data. Voice broadcasting with 11 languages switchable, voice on/ off for selection, which is more convenient to use. Intelligent alarm function of 3-color status light: 32 celsius less than T less than 37.4 celsius (green light), 37.4 celsius less than T less than 38.5 celsius (orange light and alarm), 38.5 celsius less than T less than 42 celsius (red light and alarm). BT function and remote check allow you to easily connect to multiple devices to record real-time temperature, and check data of nearly one year. Multiple installation methods: it can be placed on a tripod or fixed on the wall by hook or double-sided tape. Installation accessories are not included. 2 AA batteries (not included) or DC 5V 1A input by USB cable, dual power supply ways meet different requirements. Wide range of use: perfect for home, offices, hotels, shopping malls, supermarkets, schools, restaurants, rail stations, factories and more public places. Note: According to the difference of human skin and ambient temperature, the measured temperature may be slightly different. Thanks for understanding. Specifications: Color: Black Material: ABS Resolution: 0.1 celsius (0.1 Fahrenheit ) Response Time: 0.5S Support 11 Languages: English, Japanese, Portuguese, Kerean, Spanish, German, French, Arabic, Russian, Italian, Chinese Measuring Distance: 5-10cm (2-3.9in) Measuring Temperature: 32 celsius -42 celsius (89.6 Fahrenheit -107.6 Fahrenheit ) Remote Check: Support Power Supply: USB DC 5V or 3 * AA Battery (Not included) Alarm Function: 32 celsius less than T less than 37.4 celsius (Green light), 37.4 celsius less than T less than 38.5 celsius (Orange light and alarm), 38.5 celsius less than T less than 42 celsius (Red light and alarm) Memory Function: 99 Sets of Temperature Readings Item Size: 124 * 86 * 61 * 26mm / 4.0 * 3.4 * 2.4 * 1.0in Package Size: 12.8 * 6.8 * 9.4cm / 5.0 * 2.7 * 3.7in Package Weight: 128g / 4.5oz Packing List: 1 * Thermometer 1 * USB Cable (Type-C) 1 * User Manual