Adjustable brightness: This square LED chandelier lighting fixture is stepless dimming (cool white light-natural light-warm white light), with a remote control, you can adjust the brightness and color. Through the remote control device, the color gradually changed from warm white 3000K to cool white 6500K. Memory function: This dimmable ceiling light fixtures has a memory function. After turning off the lights, the next day when the lights are turned on, it will be the lighting mode that was turned on yesterday.Note: This lamp is compatible with ordinary switch, but not with dimmer switch. Specification: Power: 50W. Rectangular lamp tray: L 11.4 * W 4.72 inch (29 * 12cm). Fixing device, non-rotatable. Simple design: 3 rectangular geometric modern ceiling lights are full of stylish decoration. Easy installation: The internal wiring of the lamp body has been completed. You just need to splice the light body, connect the wires, and then fix it to the ceiling.