Features: Count down function Alarm !#!amp!*! snooze function(with 9 alarm music) Calendar(date weekyear-2000 to 2099) Birthday reminding Specification: Count down time: up to 23:59 Power supply: DC 3V Battery: 2 x AAA Batteries(not included) Temperature Range: 0C - 50C Temperature Accuracy: +-1C Dimension: 12 x 50 x 25mm Net Weight: 51g Color: Black Packet content: 1 x Digital Hygrometer