The main body is robust, with a compact and stylish appearance, making it easy to carry. It adopts a matte black surface finish to avoid light pollution, enabling more convenient use. It delivers powerful power output and ensures flexible, stable operation. The entire unit has an IP66 protection class and can operate in rainy conditions. It is equipped with a Grade 100 chain and an 8-fold safety factor. A precision chain guide with a 5-pocket sprocket is included for smoother operation. It uses helical gear transmission with Grade 6 gears, and the operating noise is ≤ 60 decibels. The lower hook features a lifting ring design, which is safer when used with a shackle. A nylon chain guide ensures smooth chain operation. It has a one-piece aluminum alloy housing treated with heat treatment—this enhances the body’s robustness while reducing its weight. It comes with a patented friction clutch for overload protection. An electromagnetic brake is adopted for higher safety. The chain bag is specially designed to allow easy upside-down installation without disassembly.