(Pack of 4 Dimmable Downlight)Amzdeal 9W(91W)Downlight Dimmable LED Ceiling Light Downlight Recessed Lighting Recessed Lighting Fixture Cool white Spotlight Lamp Recessed Lighting Fixture , Halogen Bulb Replacement Pack of 4 Cool white 9W Downlight Spotlight Lamp Recessed Lighting Fixture 6000K Cool Dimmable LED Ceiling Light. Input voltage: AC100-145V 50/60 Hz, Output: 9W (9*1W) Brightness Degradation Is Less Than 0.1% per 1,000 hours. 90% saving on the electricity bills, and greatly reducing maintenance cost 6000K Cool White; Famous 2 Pair Pure Gold Wires, not single wire of Epistar Chips Suitable for hotel, dining-room, meeting room, drawing room, showroom, shop,corridor, telephone booth, studio and exhibition etc.