Sonic Alert SBH400ss Sweetheart Alarm Clock with Bed Shaker 113 db extra-loud alarm (with adjustable tone & volume control), SS12VW Super Shaker bed vibrating unit, Built-in red flashing alert lights,Rainbow colored display lights User selectable snooze time 1-30 minutes your choice, User selectable alarm duration from 1-59 minutes, Vibrator strength control, One-year Sonic Alert blast-proof warranty Improved battery backup, will back up the time and alarm settings up to one week, New green power technology now uses 60% less energy Alarm & Bed Shaker Test Mode, now test these functions at any time, Dual time (12 / 24 hour time formats), 5-level dimmer function Dual power capability, model SBH400ss-v2 and v3 requires a travel adapter for 220 volt power. This adapter is the type that converts the prong configuration only