1. Automatic shut off in one minute non operated.2.Long life performace with common CR2032 size button battery.3.Soft operation Keys not to disturb sleeping baby.Features:1.Display range:34.0℃-44℃(93.2℉~111.2℉)2.Accuracy:+-0.2℃(+-0.4℉)3.Min Scale :0.1℃/0.1℉4.Memory:10 memories5.Taking times: One Second6.Auto shut-off in 1min after nonuse7.Battery : Lithium Battery(CR2032)8.Battry life: Approx 4000takes9.Size:110x35x25mm10.N.W.:37g11.safe and hygeianPS : Attention: This product can display Celsius temperature(℃) onlyPackage included :1 x IR Ear Thermometer (battery included)1 x User manualHow to use ?1.Press the ON/recall button to turn on the thermometer.2.Press the scan button，release it.when you hear a beep sound， the measurement is complete.3.Press the On/recall button continously for the last ten memories(NO.9-NO.0)will take turns to display on the LCD.4.After one minute if nonuse， it will shut off automatically.