HuanYu HY-TWQ01 Non Contact Infrared Thermometer Forehead Object Temperature Second Accurate Reading IR Infrared Thermometer LCD Digital Three-color Backlight Fever Alert Features: Fever Alert Stable and reliable Three-color backlight Smart power saving Second temperature measurement Specifications: Model: HY-TWQ01 How to measure: Non-contact Measuring distance: 3cm-5cm Measuring Range: 32℃～42.5℃ Relative humility: ≦85%; Show exact bits: 0.1℃ Operating environment: 0-42 ℃(50-104)℉ Humidity 85% Transport storage environment: 0-50 ℃(32-122)℉ Humidity 85% Power: DC 3V（2 AAA batteries in series, not included) Backlight: Three-color high-brightness backlight Show units: Celsius(℃)/ Fahrenheit (℉) Auto-shutdown: 15 seconds after no operation Size: 17*10*4cm Weight: 180g Package Size: Approx. 20*12*6cm/ 7.28*5.04*2.09inch Package Weight: Approx. 250g/8.82oz Package List: 1 * Thermometer