Featured function: Alarm background light color reminder Three levels of brightness adjustment support three different brightness adjustments, soft and comfortable to sleep with at night, and the brightness can be flexibly adjusted Mobile colorful small night lights can be used alone to create a different atmosphere . Night reading lighting is no longer afraid of darkness when going to the bathroom at night! Featured function: R human body sensing function Infrared human body sensing function, wave your hand to light up my twenty realms! Built-in infrared sensing device, precise triggering within a linear distance of 300mm, sensing immediately on (better with hand sensing), turning on backlight and night light