🌡️ VARWANEO K3 Wall-Mounted Non-Contact Digital Temperature Thermometer with Heat Alarm - Ideal for Office, Factory, School & Restaurant Review

After sales service: 24-hour customer service, if you have any questions about our products, please contact us at any time, we will serve you wholeheartedly. Use one 18650 lithium battery: digital display Accuracy: ± 0.2 degree Response time: 0.5s Abnormal automatic alarm: flashing + dropping sound Automatic measurement: measuring distance 5cm ~ 10cm Power supply mode: USB power supply or 18650 power supply Input voltage: USB DC 4.2-5v Infrared measurement range: 0-50 degrees Net weight: 370g Size: 190mm * 140mm * 125mm(Batteries is not included in the package.). 【VERSATILE】 The forehead thermometer can be used to quickly test large volumes of people without causing delays, making it perfect for deploying in high-density areas. Our thermometer can be stationed in offices, supermarkets, shops, restaurants, apartments, hotels, train stations, community centers, and building entrances. 【Easy to install】Smart infrared forehead thermometer, no need to hold, can be hung/double-sided tape/fixed bracket etc. It can be connected to USB power supply and power bank to use. The display is a high-definition LED display with a viewing distance of 5 meters. When not in use, the LED display automatically jumps to the clock.