Description: Non-Contact design, not only suitable for baby adult, but also for some object temperature, like food, milk, room. This thermometer can be used in the dead of night without even switching on the light. LCD screen displays. The Forehead thermometer is designed for all ages, adults, infants and elders. The product adopts the optical principle, the measurement precision is controlled to 0.2 . Non-contact infrared measurement, the baby does not cry, safer and more convenient. Specification: Distance: 3-5cm 3 Color Backlight: 34 - 37.6 Green; 37.8 - 38.2 Yellow; 38.3 - 42.9 Red Measurement range: 32 -42.5 (body temperature ) Working Temperature: 10 - 40 (50.0 -95.0 ), relative humidity: 15-85%, Atmospheric Pressure: 80-106kpa Storage Temperature: 0 ~ 50 , relative humidity: 90%, Atmospheric Pressure: 80-106kpa Accuracy: 35 -42 (95.0 -107.6 ): 0.2 ( 32.4 ); Outside 35 -42 (95.0 -107.6 ): 0.3 ( 32.5 ) Power supply voltage: DC 3V; 1.5V 2pcs AAA alkaline battery (not included) Measuring time: 1s Auto Power -Off: 20s Size: 160x40x37mm Weight: 63g Package Includes: 1 Piece Infrared Thermometer(Not Include Battery) Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!