Type:Vibrating Alarm Clock, Loud Alarm Clock, Dual Alarm Clock, Alarm Clock with Bed Shaker, Heavy Sleepers Alarm Clock, Loud Alarm Clock for Hearing Impaired The dual alarm satisfy the need of anyone who shares the bed with a partner on a different morning schedule. Features: You also have the option to combine the vibration with the built-in alarm sound, ensure that you can wake at-time. The 3-level adjustable bed shaker actually makes it easy to wake you up from deep sleep, perfect for heavy sleeper or those with hearing loss. Snooze function allows extra 5 minutes of lazy sleep. 12-hour system and the 24-hour system is switchable. 180cm cable of bed shaker is long enough to put under your pillow, wakes you up easily. Designed with screen brightness adjustment, help you avoid high-intensity light while you are asleep. With all buttons clearly labeled, it is a breeze to use. Can be backed up with 2 AAA batteries (not included) in case of power outage. USB port located at the back which can safely charge your mobile device. Specifications: Material: ABS Product Size(LxWxH): Alarm Clock: 10.5 x 8.5 x 10.5cm Bed Shaker: Bed Shaker Cable Length: 180cm Power supply method: USB direct power supply (power adaptor not included) Package Contents: 1 x Alarm Clock 1 x Bed Shaker 1 x USB to DC Power Cable 1 x User Manual Please note： Please prepare your own USB charging plug of 5 V/2A or above to use. Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.