The ETL-listed, 600-watt Sunspot HPS Ballast matches a reliable design with quality components and construction. Suitable for metal halide (MH) conversion and high pressure sodium (HPS) lamps, this ballast features convenient 120-volt and 240-volt functionality and includes a heavy-duty handle and an 8-foot, 120-volt power cord (240-volt cord sold separately). Vented aluminum housing protects components while allowing sufficient airflow to encourage long life and peak performance. The 600-watt Sunspot HPS Ballast carries a five-year warranty.