The Sonic Bomb Sonic Alert Alarm Clock with Vibrator and AC Adapter (SBB500ss-v3) is a round, black standard alarm clock with digital display and Arabic numerals. It features a convenient vibrator for those who need a gentle wake-up call. Thisalarm clock is powered by electricity and made of plastic, making it suitable for use in various rooms such as the kitchen, bedroom, living room, and home office. With its 21st-century design and original product line, Sonic Boom, this alarm clock is a practical and effective way to wake up on time every morning.