1.Built-in electronic ballast, long lifetime.Higher color rendering index. 2.High quality tri-color phosphor powder. 3.5 colors option (White/Yellow/Red/Green/Blue) 4.Wattages:8W,14W,21W,28W,35W 5. Voltage:220-240V/110-130V 6.can be used for backlighting, cabinet lighting, cove lighting, desk lighting, display case lighting, exhibits, merchandising, over cabinet lighting, shelf lights, showcase lighting, task lighting, trade show lighting, and under cabinet lighting. 7.Technical Index: CE Standard