For even the deepest of sleepers, this sonic bomb alarm clock is ready to blow! Featuring an ear-splittingly loud alarm signal, flashing LED lights & a powerful bed shaking vibrator, this alarm clock will litterally shake you out of bed! Sensitive neighbours? Not a problem, the alarm signal can be adjusted in pitch & volume or you can switch the alarm signal off & have only the flashing lights & vibrating alert to wake you. To deliver this level of wake-you-up power, the sonic bomb alarm clock needs to be plugged into the mains. Of course, you can install a 9v battery to backup the time & alarm settings should the power fail. Everything you need to get up & go is supplied in the box: Sonic Bomb alarm clock Bed shaking vibrator attachment Mains adapter Operating instructions