Item Type:DigitalClockMaterial: ABS, LEDBattery: 3 x AAA Battery (without)Input Voltage: DC 5VColor: Black .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Large Screen, Multifunction: LED clock has a 6.7 inch large screen with time, alarm clock and temperature display functions. The buttons are simple, 5 buttons, easy to set up, very suitable for the elderly and children. 22 Sets of Alarm Clocks, Snooze Function: LED electric alarm locks has 2 sets of alarm clocks, which are set independently and do not interfere with each other. The default snooze time is 5 minutes, so you have enough comfortable sleep. 3USB Power Supply: When the LED clock is powered by USB, the alarm clock will always be on (data line length: 1.5m/4.9ft, excluding plug). It also has a time memory function and does not need to be reset after a power failure. 4Battery Power Supply: When the LED clock is powered by a battery (not included), the alarm clock will automatically enter the power saving mode after 20 seconds. In the absence of any operation, the display will automatically turn off after 15 seconds. 5Ideal Choice: Digital clock has 12H 24H and large digital display, which is clear at a glance. It is a good alarm clock, suitable for adults who do not sleep well, and an ideal gift for friends and relatives.