TW Lighting T4 Fluorescent 12-Watt ~6400K 17-1/2" Fixture Set (2-prong Unit) Slim T4 Fluorescent Aluminum Linkable Light Fixture - White Enamel Finish Energy Savings - Output Equivalent of 60W Ribbed Acrylic Light Shield Cover Build-in 120V/60Hz Instant-on Electronic Ballast (*220 Volt/50Hz available via special order) Voltage: 120 VAC