【EFFICIENT BRUSHLESS MOTOR】Why Choose the Expensive Brushless Mini Chainsaw? It's well known for Professional mechanics the performance and life of brushless motors far exceed other motors. Under the same voltage, the brushless motor has more torque & less electricity consumption, avoids overheat and sparks, comfortable to use and environmentally friendly. The ordinary motor is easy to be too high to enter the protection state and cannot work.【SAFE TO USE】 With CE/FCC/ETL certification, it's safe and trustworthy. We built this Cordless chainsaw with multiple measures to ensure safe use：①With a security lock to prevent accidentally start. ②With chain baffle to prevent debris splash. ③With rubber grip to improve slip resistance and comfort.【EXCELLENT TOOL FOR PRUNING】 Powered by 21V, 2.0Ah high energy lithium battery, Belita Amy Electric Chainsaw can work continuously for 50-60 minutes, perfect for repeated use. With the powerful 600W brushless motor and German quality chain guide, no jamming or bark damage could happen, it is an excellent tool for pruning garden trees.