Relax and recharge with the OttLite Wake Up Your Way Light & Alarm Clock. Go to sleep with a music and light selection in 10, 20 or 30-minute intervals. Then choose to wake up to your personalized profile of sound (your choice of a traditional alarm or nature sounds), light or sound and light! With a 5V, 2.1A USB port, a color changing light to help you relax and a snooze option you'll be able to go to sleep and wake up your way. Details: Multicolor light functions 7.88" x 5" x 7.56" 6 nature sounds Alarm sound FM radio with 5V, 2.1A USB port and auxiliary audio-in 10, 20 or 30-minute gradual wake up/go-to-sleep feature 12 hour clock with AM/PM Color changing light to help relax and recharge Snooze option Battery back up