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 ��/ �H. 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��T��37.4�� (green light), 37.4��T��38.5�� (orange light and alarm), 38.5��T42�� (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.