Crystal flush mount black ceiling light: made of K9 crystal and stainless steel; 3 modes lights Warm/natural/white is adjustable with wall switch; Coming remote is easy to control for all functions and temp or brightness's control. Suit Size: 18"(Dia)+ H 9.2"; LED Power 31-62W; 110V; Wall switch is available, but it does not work with dimmer. Easy Installation: All parts are assembled, just install the black ceiling plate then you can enjoy your new led lighting. Application area: crystal led black ceiling light is suitable for bedrooms, dining rooms, living rooms, kitchen, hallway, staircase, etc. Quality Assurance: If there are any transportation or quality problems with the product, you can let me konw after-sales service for repair or return within 48 months.In addition, we also provide 24-hour technical support. You can let me konw at any time if you have any issues during using or installing the fan.