About Product:Smart touch switch: press the "UP" or "DOWN" key to the brightness on the current color of stepless adjustment, brightness smooth rise or fall. Warm white touch light: every touch "MODE" key, according to the warm white light warm light, followed by cycle change. Intelligent breakpoint memory: the light will be transferred to the most comfortable brightness, it will automatically remember you this regulation, after the closure, and then open the last time when the brightness of the last light. Dual mode power supply: desk lamp can be used to light the adapter or built-in battery.