Features: 1.WIDELY USAGE. This Infrared Wall Mounted Thermometer can be used in school, shopping mall, offices, shops, hotels, train stations, airports, community centers, etc. 2 Different Kinds Thermometer: Basic Infrared Thermometer; Bluetooth-compatible Infrared Thermometer. 100% brand new and high quality 2.TOUCHLESS MEASUREMENT. Non-contact infrared measurement, avoid cross infection. and of this infrared thermometer for humans are easily switchable. Press mode switch hole then select C or F. 3.ACCURACY AND ALARM FUNCTION. 0.5S fast temperature measurement within 5-10cm. A flashing red light and audible alarm will indicate that the person has a high temperature when the temperature is over higher than 37.4. 4.APP INTELLIGENT VOICE ALARM. The Bluetooth-compatible infrared thomometer type can be connected with majority smart phone, automaticly voice alarm on the phone when temperature higher than 37.4. Quick and convenient. 5.SIMPLE INSTALLATION. Designed with lifting hole, double-sided tape area, and can be easily installed on the wall or thermometer holder rack, etc. 14 countries languages system support. Two power supply methods. Can be powered by 18650Li-ion Battery, or USB cord. Standby almost 60 days. NOTICE: Battery not included. Package Includes: 1 Piece Infrared Thermometer Specifications: Material: ABS Color: White Specifications: Basic Type; Bluetooth-compatible Accuracy: 0.2C Response Time: 0.5s Measuring Distance: 5-10cm Measuring Temperature: 10~42 Abnormal Automatic Alarm: Flash&Voice Power Supply: 18650Li-ion Battery Charging Method: Type-C Voltage: DC 5V/1A Standby: 60 Days Size: Approx. 15.5x10.5x4.3cm/6.1x4.13x1.69in Weight: Approx. 320g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you