Product color: black r nProduct weight: Clock: 215g; vibrator: 147.5g r nType: Digital Alarm Clock r nVibrator cable length: 1.8 meters nProduct size: Clock: 14.5*6.5*15cm; vibrator: 10.5*3.9*10.5cm r nPower cable length: 1 meter r nFunction: r n1.Powerful Vibrator: This LED alarm clock comes with a strong vibrator to help wake up heavy sleepers, seniors, and the hearing impaired. r n2.Stepless Volume Adjustment: You can adjust the alarm volume with the volume control knob on the back of the clock. The alarm signal will be loud enough to be heard. Don't worry about being late for work, school, or other schedules. r n3.Two Sets of Alarm Clocks: Supports two sets of alarm clocks. No need to reset alarms for two tasks. r n4.Alarm Length Setting: When the alarm rings, if you don't press any button, it will ring for 5 minutes by default. The alarm length can be adjusted between 1 min and 30 min. r n5.Snooze Function: Press the snooze button for an extra 10 minutes of sleep. The snooze length can be adjusted between 1 min and 30 min. r n6.Time Display & 12/24 Hours: LED display with large red fonts is clear at a glance. Press \"UP\" to switch 12/24 hour format. r n7.Stepless Brightness Adjustment: You can adjust the brightness with the brightness control knob on the back of the clock. There is always a suitable brightness level for you. r n8.Dual USB Output: Can power two devices simultaneously. r n r nPackage Includes: r n1 * Vibration Clock r n1 * Vibrator r n1 * USB Cable r n1 * User Manual