The Riptunes WAV110 Vibrating 3-in-1 Alarm Clock is the ultimate wake-up companion. It features a loud alarm buzzer, mighty bed shaker, and red flashing light - all in one device. Choose to wake up with one, two, or all three options based on your personal preference. The dual alarm function allows for complete customization to your specific schedule, with three wake-up modes: weekday, weekend, or every day. The large display, full range dimmer, and white digits make it easy to read day or night, while the adjustable brightness dial allows you to customize the display to your liking. The clock also includes a USB charging port and battery backup feature (3 AAA batteries not included) to save your settings in case of a power outage. Upgrade your wake-up routine with the Riptunes WAV110 Vibrating 3-in-1 Alarm Clock. Key Features: Dual Alarm Clock, w/ Display on main screen Vibrator Bed Shaker – low/medium/strong Loud Alarm sound - low/medium/High Flashing Lights Full Range Dimmer, From Dark screen to Bright White Digits Large Snooze button USB Charging Port 12/24 Hr. for Clock & Alarm Setting for Weekdays and weekends Power by AC, DC 5v Battery Power Backup via 3x AAA Batteries (Not included)