This wireless remote control is designed for hoist crane. With this user-friendly remote control, you can remain on the ground and do your heavy lifting work easily and safely! The remote control has a high-performance antenna, with the maximum operation range 100 m. The receiver has one START key, one STOP key and two available command keys, which are easy to operate and control. You just need to connect the transmitter to the hoist crane by air socket to control the lifting with great ease.