3 wake up alarm modes adjustable by simply sliding the button. The powerful vibration wakes heavy sleepers, hard of hearing or deaf in time without disturbing their partners, perfect for couples or roommates with separate schedules. The buzzer volume can be adjusted from low to high as you like. The loud alarm clock comes with a large night light to light up your room. It's also a reading lamp near the bed and you can simply press the LIGHT to change the color as you like. The SNOOZE button on the top of the clock is large enough to easily press half-sleep and gives you an extra 9 minutes of sleep or rest. With a giant LED display, the numbers are easy to read without glasses, especially useful for the visually impaired. With the dimming slider you can adjust the screen brightness according to your preferences - from bright to extremely dark. The 12/24H time format can be changed by holding the HOUR button. The digital clock has 2 USB chargers, supports 5V/1A output charging, convenient to charge both your phone and tablet. With simple and intuitive buttons, the bed shaker alarm clock can be easily set without annoying waiting times or repeated pressing. Simply press the ALARM PAUSE button to stop the alarm without opening your eyes in the morning. The alarm clock can be powered by 100-240V AC power. A power outlet is required for all functions to work, while 2 AAA batteries (not included) can back up time and alarm settings in the event of a power outage. The battery can also trigger the alarm during power outages. Compact clock for bedroom, office and kitchen.