OlarHike 12V 150PSI Portable Air Compressor Dual Cylinder Metal Pump PR1100 R Wireless Presenter Remote PR1100 R Wireless Presenter Remote Recommended Applications Executive & Management Seat back Color Black Arms Included Yes Arm Style Roll Armrests Pneumatic Seat Height Adjustment Yes Tilt Tension tilt Lock Yes Armrest Color Black Overall Height Minimum 43 1 8" Overall Height Maximum 46 5 8" Seat Width Maximum 21" Seat Depth Maximum 21 1 4" Seat Height Minimum 18 1 4" Seat Height Maximum 22 7 8" Seat Material Top Grain Leather Back Width Maximum 21" Back Height Maximum 28 1 8" Back Material Top Grain Leather Base Color Black Base Material Nylon Caster glide wheel Dual wheel nylon casters day and night while the auto shut down feature means you can simply set your desired pressure and then let the pump do its thing