Rugged, compact design that is adjustable to 3 different positions: wide, medium and deep. For every position the efficiency is better than 90%. The three Miro Aluminum reflector plates are replaceable. We recommend changing the reflector plates every year. In setups with multiple reflectors you can adjust them asymmetrically. Suitable for MH or HPS lamps ranging from 400 - 750 watts. The lamp cord terminal is shielded by a metal housing. 13 ft lamp cord included. Reflector dimensions: 18.3 in long x 9.8 in wide x 5.5 in high.