Made of grade material, this set of multi-purpose alarm clock is and practical to use, featuring lightweight and compact design, very portable to carry, which makes you more convenient. Perfect for household, office and hotels. Features -Color: Black -Material: plastic -Size: 13.50X10.10X5.50cm 5.31X3.97X2.16inch -Note: no battery - Easier for you to know the weather and get comfortable and enjoyable everyday life. - With it, you can better plan your outdoor activities. - Multi-functional, can be an alarm clock, a calendar, or a weather device. - Can monitor the humidity, temperature and weather, very practical. - You can turn on the backlight via voice control or by pressing a button. Specification Time display: Time (12/ hours toggle) Date (2002-2099), week shown Alarm/snooze function: can set a group of alarm clock Temperature Range: 0 degree centigrade-50 degree centigrade ( scale-122 fahrenheit scale) Voice control backlight: press the "LIGHT" button to turn on or off the backlight, which will turn off automatically after 5 seconds of light, or turn on the backlight by clapping your hands within 1 meter or tapping the table to turn on the backlight, which will turn off automatically after 5 seconds of light Package list: 1 x USB 1 x clock 1 1 x instruction book