H4 duty cycle (300 motor starts/hour). Easy installation and maintenance. Standard protector overload device. 10 pocket oblique lay liftwheel provides longer chain wear. Epoxy powder coat finish. 6-1/2' Power cord with molded 3 prong plug on 115 volt units. NEMA 4 industrial rated control station. Gear train lifetime lubricated with non-oxidizing grease. CM hoist alloy load chain. Thermally protected hoist duty motor. Dual braking system - D.C. plus regenerative. Rugged cast aluminum alloy hoist frame. 5:1 design factor. Small, compact design for commercial and industrial applications. Rigid hook suspension prevents tangling of power cord. Hardened forged steel latch style lower hook rotates 360 degree. Totally enclosed non-ventilated hoist frame protects motor from environmental contamination. True vertical lift. Precision bearings used throughout hoist. Lifetime warranty. 300 lbs capacity, 20' lift height, ShopStar hoist model. 11-1/16" headroom, 230-3-60 power supply, 1 speed control, no limit switches, hook mounting.