The L.T.F. DA15W700C0821-3001 is a 15w 700mA constant current LED driver. It has a voltage range of 08 - 21Vdc and operates on 120Vac. The L.T.F. DA15W700C0821-3001 is also ELV and Triac dimmable. Also, available is the DE15W700C0821-3001277Vac version and the DS15W700C0821-3001220-240Vac version.