Wall Mounted Forehead Thermometer, LED Bluetooth Non-Contact Digital Thermometer, Body Thermometer with Fever Alarm and Voice Transmission [Automatic measurement]: Just install the auto-sensing on the wall/bracket and detect the body temperature within 2-4 inches of the thermometer, which allows a larger person to participate in more important rescue operations and avoid crossover during test infection! [Advanced Bluetooth + Bluetooth technology]: You need to download the free app to access Bluetooth** Our thermometer has a Bluetooth function that allows you to connect to the thermometer and track the temperature data of multiple objects. [Quick Measure]: The external thermometer can accurately measure the individual body temperature and read the result on the screen within 0.5 seconds. If the temperature is within the normal range, the green light is on. If the temperature is feverish or high, the red light will be on and an alarm will appear. Specification: Display: Multicolor LED Object of measurement: human forehead Error (precision): 0.2 C Measuring environment: 0C ~ 42C. Measuring distance: 5cm~15cm Power: 3 AA batteries (US AA batteries) / Type C (DC 5V 1A) Size: 124*86*38mm white color System languages: English,Japanese,Portuguese,Korean,Spanish,German,French,Arabic,Russian,Italian,Chinese Package included: 1*host 1 x charging cable.