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¡æ-44¡æ(93.2¨H~111.2¨H)2.Accuracy:+-0.2¡æ(+-0.4¨H)3.Min Scale :0.1¡æ/0.1¨H4.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(¡æ) 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.