Philips Advance 40 Watt - 120-277 Volt Two Lamp Plug-in CFL Electronic Ballast

Advance Electronic Ballast Ignites One or Two 40-Watt Single Twin-Tube Compact Fluorescent Plug-In Lamp(s) with 2G11, 4-pin Base and 120-277 Voltage. LAMP(S) NOT INCLUDED.