Actor descender mechanisim transports your actor in a sweeping descent to the floor then floats them back to a standing head height of 13'. Great for floating actors down from staircases and thru windows. Unit includes- solid steel chasis, mechanisim, seat and harness assembly, pnuematic package and grip switch. Requires AC power and a 100-125 psi air compressor (not included) Must ship by truck. Extra crating fee applies.