So you can use it with confidence. It is very labor-saving and the high quality can be widely used in homes, factories, warehouses, construction, and other fields. Key Features High Security: It has an industrial limit switch on its side. When the machine is hoisted to a certain position, the limit device can be triggered, and the power will be cut off automatically to protect your safety. Two Control Method: You can control it manually and by remote control, applicable to a variety of scenes to meet your different requirements.