Mooas Pop Mirror LED Alarm Desk Clock 3 colors available Pink White Mint Blue Smart LED luminance adjustment available 2 levels luminance adjustment available with the button Time 1224H mode AlarmSnooze Clear mirror LED Temperature display or Night mode that it automatically darkens at a fixed time Default setting 18000600 When operated by battery the display turns off in 10 seconds to minimize power consumption To keep the LED on at all times please connect to the included USB cable When connected to a USB port on PC router or multi USB hub the power maybe unstable due to low output current Please use the included USB cable and 5V 1A adapter for better power supply