The Hydrofarm SG Ballast 1000W Convertible Grow Light is a must-have for any professional gardening operation. This ballast is the optimal combination of compact and functional, low-cost and high-quality. Made from sturdy steel, the piece features a water-resistant seal for use around sprays and misters. A safety design only allows electrical flow when an appropriate seal is achieved. An 8-foot power cord provides plenty of reach. Unit boasts a dual 120V/240V capacity. Perched on no-mark rubber feet.