1.Built-in electronic ballast, long lifetime. 2.Higher color rendering index. 3.High quality tri-color phosphor powder. 4.5 colors option (White/Yellow/Red/Green/Blue) 5.Wattages:8W,14W,21W,28W,35W 6. Voltage:220-240V/110-130V 7.Suitable for radio and TV studios,dressing rooms,exhibition halls,department stores,schools,hospitals ,offices,hotels and restaurants and other occassions.
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