Sonic Alert SBH400SS is a multi-functional alarm clock and bed shaker designed to wake you up in the morning. It features a variety of customizable settings to ensure you get the best possible sleep. With its adjustable volume, tone, and brightness, you can create the perfect sleep environment for your needs. The bed shaker is a great option for heavy sleepers or those who have difficulty waking up to sound alone. The Sonic Alert SBH400SS also has a snooze function, so you can get a few extra minutes of sleep without having to reset your alarm.