Features: brand new and high quality Function: LED display, 12/24 hour conversion, snooze, alarm clock, dual USB output, for time memory, automatic dimming of the display, Seven-color night light, three-level volume adjustment, wake-up with vibration, type-c input. Brightness: automatic adjustment of the brightness of the display screen, the for stronger the ambient light, the brighter the display brightness. The weaker the ambient light, the darker the display brightness (automatically adjust according to the light and darkness of the environment, intelligent function). Memory function: Use 2 AAA backup batteries to supply power(battery not included). When the external power supply is cut off, the for time and various settings are kept unchanged. After the external power supply is cut off, the for time is not displayed, so as to avoid repeating the settings next for time. It is not only with really loud alarm volume, it also comes with a vibrating bed shaker that you can put underneath your mattress or pillow to be shaken awake. for Extra loud alarm clock with adjustable volume and large snooze button, 3 levels - High/Medium/Low. Sleep better with 7 colored mood light. Specification: Material: Plastic Power supply mode: 5V2A Color: Black Size: app. 163x85x42mm(6.42x3.35x1.65in) Quantity: 1 set Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Alarm Clock 1 x Bed Shaker 1 x Adapter 1 x Type-C Cable 1 x English User Manual (other accessories demo in the picture is not included.)