Features and Benefits:Comes standard with Wireless Transmitter that can can infinitely adjust speed from creep to 5.3ft/min with speed dial and a max of 21ft/min in high speed;JET® Trademaster® Series electric hoists combines safety, portability, and durability to operate in all your industrial, construction, and transportation applications. With its market leading wireless controller and 2 in 1 mechanical brake and overload slip clutch, safety is most important. With the only DC Brushless motor in the market, 5 pocket chain sheave, and thermal overload protection, you have the durability you need to reduce maintenance costs. All of this with a lightweight compact housing that will get you into those tight areas while allowing you transport it from job to job in its molded carrying case. The Tradesmaster® Series comes in 1/8Ton to 1/2Ton capacities and standard lifts of 10 and 20ft. (custom lifts up to 100ft are available)