Wake up on time and recharged. Fast wireless Qi charging. Alarm clock function with programmable snooze. 12/24 Hour clock. Easy to use buttons. Dimmable backlight display. Auto-dimming display sensor adjust to room lighting. Ambient Night/wake light. CR2450 Sure alarm backup battery. 20W USB-C fast charging port. 5W USB-A port. 100V-240V Universal voltage AC adapter. Dimensions: 5.52"L x 6.23"W x 2.01"H.