Features: Non-contact Measurement: Non-contact measurement ensures the safety of front-line personnel and greatly reduces the risk of infection. Abnormal Temperature Warning: Temperature range from 32℃-42℃. When measures abnormal temperature, it will warn.  Accurate Measurement: Infrared temperature measurement, highly efficient temperature measurement.Temperature Accuracy up to ±0.2°C. Easy to Install: Hanging, pasting and bracket are all available. Using Occasions: This non-contact thermometer is widely used in office, factory, hospital, train station, commercial centers, industrial parks,  transportation hubs, public and other crowded place.   Specifications: Item Type: Infrared Thermometer Material: ABS Color: White+Black Types: Regular Style, Voice Style Accuracy: ±0.2°C Response Time: 0.5s Automatic Alarm: Red light flashing +"Di Di" sound Charging Method: USB charging or Battery(not included) Battery: AAA battery(not included) Automatic Measurement: Measuring distance 5cm-10cm Range of Measurement: 32℃-42.℃/89.6℉-108.5℉ Input: USB DC4.2-5V Standby TIme: About one week Installation Methods: Nail hook, double-sided adhesive sticking, bracket fixing  Operation Temperature: 10℃~40℃(recommend 15℃-35℃) Infrared Measurement Range: 0-50℃ Standby: 5s(red dot dynamic cycle) Screen: Digital display Size: About 170 x 115 x 140mm Package Includes:  1Pc x Infrared Thermometer  2Pcs x Adhesive 1Pc x Data Cable 1Pc x User Manual Notes:  Transition: 1cm=10mm=0.39inch  1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you   2. Please allow 1-3cm measuring deviation due to manual measurement.