Dimmable LED SMD T10 Tube Light, 4 FT Day White, 18W, 290LED, 120V Commercial Quality - Consistent Color Temp No mercury or hazardous chemicals (ROHS) Consumes half the power of a traditional fluorescent lamp Dimmable - 120VAC Only - Powered from ONE END NOT FOR USE WITH SHUNTED SOCKETS - One-time fixture rewire required