STRONG BED SHAKER and 3 in 1 ALARM: Equipped with a special designed flat shape high power vibration pad, can easily be placed under pillow or mattress. It will wake you up with SUPER STRONG VIBRATION. Very suitable for heavy sleeper, sleepy Kids, deaf, or hard of hearing people. Also equipped with 3 waking up modes: Vibration \/ Alarm \/ VibrationandAlarm. [EXTRA LOUD ALARM] Features an EXTRA LOUD adjustable alarm buzzer, suitable for every heavy sleepers, sleepy kids, hearing impaired people. This alarm clock also features dual alarm system, hly for couples or someone who keeps different schedules. Snooze function allows extra minutes sleeps before alerting you again. The 2pcs AAA batteries (no included) can only preserve time-setting alarm-setting in case of power failure. Battery can also trigger an alarm during power outages without worrying getting up late. [WHAT INCLUDED] 1 x Heavy Bed Shaker Alarm Clock with dimension 1684065mm;1 x USB-C Power Cord.