Sleep mode design adopts the simulation of natural wind scenario design, 1, 2, 3 speed every 20S automatic cycle; let you reflect the feeling of outdoor sleep. Maximum tilt angle of the ceiling<15°. Customizable Light: One button to switch the 24W led light colour temperature, warm light 3000K (press "WW"), full bright natural light 4200K (press "NW"), cool white light 6500K (press "DW"); Long press "WW" can steplessly adjust the color temperature from cool light to warm light (6500K to 3000K); Long press "DW" to steplessly adjust the color temperature from warm to cool light.