T9 circle lamp with electronic ballast Ballast:electronic Voltage:110V-130V/60Hz,180V-240V/50Hz Watts:22W,32W T9 circle tube with ballastLight source: tri-color T9 tubeWatts: 22W,32WVoltage: 220V-240V/50Hz 110V-130V/60HzPower factor:0.95With high quality electronic ballastLife time:8000hrsCCC,CE certificate T9 circle lamp with ballast 22W 32W