This digital clock is loaded with various functions. Designed with large color display, it shows indoor and outdoor temperature & humidity, calendar, time and moon phase. Two alarms can be set with snooze function, practical and useful, providing great convenience. Features: Multifunctional clock - it's more than just a clock. It can also detect temperature and humidity both indoor and outdoor, and display perpetual calendar and moon phase. RF function - it comes with a transmitter that allows it to detect outdoor temperature and humidity within 100-meter distance. Alarm and snooze - two alarms can be set and will display on the screen, and the snooze time can be customized from 5 to 60 mins, practical and useful. Large digital display - equipped with high-definition color display with backlight, which is large and clear, easy to read. Power supply - it runs on 3 AAA batteries(not included), and can also be powered by AC 5V supply. Simple style design - it can sit on table or be hung on wall, simple design can match any home decor. Specifications: Material: ABS Color: Black Power supply(clock): 3*AAA batteries(Not included)/ AC 5V Power supply(transmitter): 2*AA batteries(Not included) Function: Time / Calendar / Temperature / Humidity / Two Alarms / Snooze / Moon Phase Item Size: 13.5 * 2.4 * 21cm / 5.31 * 0.94 * 8.26in Item Weight: 339g / 11.95oz Package Weight: 633g / 22.32oz Package Size: 22 * 8 * 14.5cm / 8.66 * 3.14 * 5.7in Packing List: 1 * Clock 1 * Transmitter 1 * USB cord 1 * User Manual (English)