Please read the instructions before use Features: 1. Telescopic handle Equipped with retractable handle, remote control is more convenient 2. Power wiring All-copper inner core connecting wire is waterproof and anti-corrosion 3.High-quality main pole Glass fiber composite main rod, light weight, good rigidity, sufficient toughness, acid resistance, alkali resistance, salt resistance and other characteristics 4. Bracket Reinforced nylon material has the characteristics of light weight, firm structure and resistance to breakage, corrosion resistance and acid and alkali resistance. It is suitable for use in seawater. There are ten levels of angle adjustable motor work scenes. It is suitable for special water environment and has anti-collision settings, which gre.