Why iHealth Thermometer?3 Ultra-senstive sensors built-in deliver more reliable results and ultimate safety for the end users. A Ultra-senstive infrared sensor collects more than 100 data points per second from the forehead. The additional distance and environmental sensors make necessary adjustments to give you accurate readings.Smart ChipThe latest smart chip will ensure the excellent performance of the thermometer.Hassle Free Selection for BabyNo touch design can be so easy to take a temperature without waking up the child. Gentle vibration notification will be instantly alerted and no annoying beep beep sound.Crystal LED display with XL large digitsYou can easily read out the results no matter day and night. It won't be so bright at night as proper brightness for crystal readings.? & ? SwitchVery easy to switch the unit in ? or ?.Low Power Consumption SystemEnergy saving system and the incl. 2*AAA batteries enable around 3000 times testings.Specifications:Device Size: 5.39 in x 1.34 in x 1.54 inLED Screen Size: 1.01 x 0.75 inPower: 2 x AAA batteries. 2*AAA Alkaline batteries provides around 3000 times measurement.Operating Temperature: 59?-104?(15?-40?) Measurement Range: 89.6?-109.2?(32?-42.9?)Measurement Distance: ?1.18in(3 cm)Measurement precision: ±0.4? within 95?-107.6?,and±0.5? for other temperature ranges.Packing Content:iHealth Forehead Thermometer2 x AAA Alkaline batteriesUser Manual (EN,SP,FR)Quick Start Guide (EN,SP,FR)