Decorate Style LED Screen Digital Big Digit Design Alarm Clock with Night Vision - Black This LED screen alarm clock wakes you up on time in the morning so you will not be late for school or work Equipped with night vision function, automatically emit blue light at night so that you can check the time without pressing button Convenient and practical to use Battery: 3 x AA batteries (not included) Dimensions: 13.5 x 7.8 x 4.5 cm (approximately)