Dual Alarm Clock w/ Bed Shaker - Sonic Boom dual alarm clock- Guaranteed to wake even the deepest sleeper also ideal for the hard of hearing and elderly- Two alarm settings- Adjustable volume and tone- Hi/low dimmer control- Battery back-up (9V battery not included)- Powerful bed shaker included- Large 1.8" brightgreen LED display- Extra loud pulsating audio alarm- 1 Year manufacturer's warranty- SilverSASBD375SS