Jumbo 1.8" High Contrast Green LED Display. Charge your compatible smartphones, and other Qi-compatible devices, without the need to plug your device into a wall charger or USB port. Dual Alarm / Clock / Sleep / Snooze. AUX IN Port to listen to all your favorite songs. Convenient USB charge port provides power for your cellphone or other mobile device. Display dimmer with 2 settings. Power: AC 100-240V adapter, Qi/USB charge output (5V, 1A), 2 x AAA batteries (clock backup, not included)