Non-Contact Infrared Temperature Measurement K3 Forehead Thermometer with Fever Alarm for Office Home Supermarket School Community Entrance Features: High temperature measurement accuracy, precision tolerance: 0.2(34~45) Red light flashes when the temperature is abnormal, Simple and clear, better know health Infrared non-contact measurement you dont need to take it in hands and reduces the risk of cross infection Respond quickly and large clear LCD screen with great readability which can reduce queue time Easy for use and suitable for Office home supermarket community entrance Automatic measurement: measuring distance 5cm ~ 10cm Charging method: AAA battery power supply Size: 170*115*140mm Abnormal automatic alarm: flashing +Di Di sound Screen: Digital display Environment temperature: 10~40(Recommended 15~35) Infrared measuring range: 0~50 Package included: 1 x Non-Contact Infrared Temperature