The ANJANK Extra Loud Alarm Clock is designed specifically for heavy sleepers and those with hearing impairments. With its vibrant red color and shaker style, this wireless alarm clock offers an effective way to wake up on time. The extra-loud alarm combined with the vibrating feature ensures that users will never miss their wake-up call. The compact dimensions of 6.1"W x 3.9"H make it easy to place on a bedside table or dresser.