[Easy wake up by loud bed shaker and loud buzzer] The digital alarm clock is equipped with super loud shaker, loud buzzer and flashing wake-up light, three modes work at the same time to stimulate your hearing , your vision, your touch to wake you up on time. It is an ideal choice for heavy sleepers who are difficult to wake up. [Big screen for person with low vision] This modern 6.18" mirror alarm clock shows the time clearly with 12H/24H mode, and it has a black background with brightly shining white letters, which makes it very easy to see across the room and easy to read without glasses in the dark. [Automatic adjustment] The electronic clock LED display has low, medium and high brightness, you can choose the brightness freely; The LED clock is equipped with a photosensitive sensor, which can automatically adjust its brightness according to the light intensity around the screen. [Compatible with Android and Apple] The mirror clock uses 5V2A, built-in CR2016 button battery, USB power supply, with 2 USB ports, can charge your mobile phones, tablets, compatible with iPhone, Android phones. [Detachable base + wall hole] When the clock is installed on the base, it is a desktop clock, used for desks, bedsides and dressing tables; when the clock is removed from the base, it is a wall clock that can go through the hanging hole on the back Installed on the wall, used in the bedroom, study, living room.