This Intermatic ML121RT low voltage safety transformer is specifically designed to supply 12 volts to pool/spa lights and outdoor garden lights. The 24-Hour plug-in timer module included is a multi-event timer that turns your outdoor lights on or off at programmed daily settings. No driver or converter required! Two trippers, black plastic housing, and 2 feet of cord are included! No driver or converter required. It's a perfect low voltage solution for landscape lights, pool, spa lighting, garden and fountain lighting.