Features: Countdownfunction Alarm&snoozefunction(with9alarmmusic) Calendar(dateweekyear-2000to2099) Birthdayreminding Specification: Countdowntime:upto23:59 Powersupply:DC3V Battery:2xAAABatteries(notincluded) TemperatureRange:0C-50C TemperatureAccuracy:+-1C Dimension:12x50x25mm NetWeight:51g Color:Black Packetcontent: 1xDigitalHygrometer