The 4800 Series fixture is a wet niche-mounted pool light with temperature-sensing low water cut-off. The unit is smaller in size than conventional units. It uses 120 or 12 volt LED, 120 Volt quartz lamps (up to 150 watt) or 12 Volt MR-16 lamps (up to 75 watts). The lamp housing and niche are stainless steel. The niche includes a bonding lug on a 3/4" conduit hub.