Ballast for HID lamps Voltage: 220V, 230V, 240V, 50Hz, 60Hz Wattage: 35 - 400W Dimensions: 70 x 86mm Ballast for HID lamps Voltage: 220V, 230V, 240V, 50Hz, 60Hz Wattage: 35 - 400WDimensions: 70 x 86mmMaterial: pure copper wire, silicone steel core Loss power loss, no noiseLow temperature rising Ballast