Minimal, stylish head, pivots vertically 180°, rotates horizontally 350°. Features vertical and horizontal locking mechanisms. Includes energy-saving electronic ballast in slim aluminum die-cast housing. Input voltage 120v 50/60 hertz, THD 10%. Power Jack version is compatible with Power Jack Canopy with CMH Ballast (sold separately). Ceramic metal halide MR16 lamp with GX10 base up to 39 watts; ceramic metal halide lamp with PAR20 E26 medium base up to 39 watts; PAR30 Long lamp with E26 medium base up to 70 watts (lamp not included).