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