HOUSING: STIANLESS STEEL. FINISH: STAINLESS STEEL. LENS: Clear, tempered, and heat resistant glass with silicone gasket, fully sealed for underwater usage.See accessories & parts for special effect lenses, honeycomb louver and frosted LAMP TYPE: 12V, MR-16 halogen, 50W max. . MOUNTING: Fully adjustable mounting arm to provide light aiming. Fixtures are mounted on a heavy duty STEEL base for a firm and stable underwater placement. WIRING: Fixtures are prewired with a 25-foot pigtail of #18 water resistant cable. APPLICATIONS: To be used in fountains, ponds, garden pools, and waterfalls. Do not use in swimming pools and spas.Fixture is supplied with 20W MR-16 lamp.Remote 12 Volt transformer is required.See transformers and accessories for variety of options and choices. Fixture is supplied with 20W MR-16 lamp.Remote 12 Volt transformer is required.See transformers and accessories for variety of options and choices.