A high-powered pure copper motor is used.Cutting efficiency and speed have improved. The built-in control circuit board has an overload protection mechanism, and the motor will shut down immediately if it overheats, giving you peace of mind and making it safer to use. Our tiny chainsaws have undergone rigorous quality testing to ensure that you can buy and use them with confidence. This handheld chainsaw has a pure copper motor that generates a lot of power. The cutting efficiency and speed have increased. When the engine becomes overheated, it will immediately stop working, giving you peace of mind and making it safer to use. Pure copper rotors provide a combination of the following extra advantages,