T5 Electronic Ballast (14W/21W/28W/35W): 1. Voltage: 220V/50Hz 2. Power: 1x14W, 1x21W, ... , 1x35W 3. Power Factor: 0.95 T5 Electronic Ballast (14W/21W/28W/35W):1. T5 electronic ballast for T5 lamps, 220V ... to a group of lights fittings. T5 Electronic Ballast (14W/21W/28W/35W)