Sonic Traveler™USB charging for smart phones and other electronicsPowerful bed shaker/vibratorUser selectable snooze time 1-30 minutes your choiceUser selectable alarm duration from 1-59 minutes100db alarm with adjustable tone and volume controlFive-level dimmer control12 or 24 hour time formatsAlarm & Bed Shaker Test Mode, now test these functions at any timeBattery backup, will back up the time and alarm settings up to one weekGreen power technology now uses 60% less energyOne-year Sonic Alert blast-proof warranty