Electrical: 250 watts, approx. 2.08 amps @ 120v ; ballast features built-in 10' power cord with standard-household grounded plug (NEMA 5-15), and built-in 10' socket cord with mogul-base socket Innovative open-air remote ballast design ; ballast handle features key holes for easy wall mounting Includes high-output 250-watt high pressure sodium (HPS) bulb with enhanced horticultural spectrum & 33,000 lumen output Suggested coverage area: 3' x 3' Ballast measures: 9 long x 4 wide x 5.5 high ; Reflector measures: 16 long x 13 wide x 6 deep - hanger attachment hardware included