Multi-use alarm includes a wireless disc to place under your pillow. The 3-level vibrating pulses will gently shake you awake; perfect for heavy sleepers and anyone who is hard of hearing. Base is AM/FM receiver with digital tuning and presets; choose radio or alarm for wake-up too. Also has a USB charging port for smartphones, tablets and earbuds. White, highly visible LED display. Unit dimensions: 4.02”(H) x 6.16”(W) x 2.80”(D). 120V AC Adaptor (included), 1 x CR2032 (included) battery for clock back up and 3 x AAA batteries (not included) for Wireless Vibrator.