1. Equipped with a powerful vibration, loud buzzer, and flashing wake-up light, all three modes activate simultaneously, stimulating your hearing, vision, and touch to wake you up on time. Ideal for heavy sleepers who find it difficult to wake up. 2. The LED display offers low, medium, and high brightness settings, allowing you to freely adjust the brightness. The LED clock is equipped with a light sensor that automatically adjusts the brightness based on the ambient light intensity. 3. The mirror clock is powered by a 5V2A built-in CR2016 button battery and USB power supply. It has two USB ports for charging phones and tablets and is compatible with iPhones and Android phones. 4. When mounted on the base, the clock functions as a desk clock for desks, nightstands, and dressers. When removed from the base, it functions as a wall clock that can be mounted on the wall using the mounting hole on the back for use in bedrooms, offices, living rooms, and more.