Product Category: Timer / Timer Whether double-sided: single-sided Style: Sports Appearance: Rectangular Display type: number Special features: perpetual calendar Waterproof: no Power type: battery Movement type: electronic Shell material: plastic Movement: Electronics Product size: 6.5*5.8*12.2cm The LCD displays the month, week, hour and minute. The 12 / 24H format LCD displays the ambient temperature. Alarm clock with music, 7 different alarm clock songs and 2 different "didi" sounds; snooze function. You can set a Birthday alarm clock, when the birthday song will play automatically. Countdown time function. Blue LED backlight.