CAST BRASS - Designed to fit where other deck lights may not, this sealed low voltage fixture is constructed of solid cast brass with a durable black powder coating. PROFESSIONAL QUALITY - Features a high-temperature Beryllium copper socket. A silicone plug where the 25-foot lead wire exits the fixture prevents moisture intrusion. Easy-access faceplate; no tools required. Simply rotate the faceplate into a lock position onto an O-ring gasket. Ceramic white interior maximizes illumination. LAMP READY - Designed for use with LED or halogen G4 bi-pin bulb (not included) rated up to 20W. For the version of this fixture that includes a bulb, please enter B0DRDXB6LB in the Amazon search box. UL/cUL LISTED - VOLT products are UL Listed for safety; most competitors' landscape lighting products on Amazon are not. This fixture is also Dark-Sky Approved. LIFETIME WARRANTY - This fixture is backed by the VOLT lifetime warranty. As with all 12V fixtures, a low voltage transformer (not included) is required for operation. This low voltage deck light is ideal for downlighting on decks, patios, railings, posts or docks. Designed to fit where other deck lights may not, this fixture is constructed of solid cast brass with a durable black powder coat finish. Designed for use with replaceable LED or halogen G4 bulbs (not included). UL Listed, Dark-Sky Approved and backed by our lifetime warranty. As with all 12V fixtures, a low voltage transformer (not included) is required for operation.