Adopts brush motor, quick-start, timely braking, smoothly speed regulation in a wide ranges, relatively simple control the circuit and so on. The sawchain has been deep quenching by high temperature, with sharping sawteeth, more wear-resistant, smooth cutting. Perfect for pruning,splitting firewood, cutting wood and etc.. Features: Cordless design, lightweight and portable, easy to carry out and cutting the wood. Adopts brush motor, quick-start, timely braking, smoothly speed regulation in a wide ranges, relatively simple control the circuit and so on. 5m/s quickly cutting speed, practical, low power consumption, high stability and high performance. 6inch long guide plate, with guard design, prevents flying sawdust and debris. The sawchain has been deep quenching by high temperature, with sharping sawteeth, more wear-resistant, smooth cutting. Equipped with a child-safety lock, press to unlock the trigger easily, which can avoids unintended hurts by accidentally touching. Ergonomic handle design, one hand use, long time griping will not tired hands. With high working efficiency, high positioning accuracy, low noise. Scope of application cutting trees in orchards, pruning branches in municipal gardens, splitting firewood and etc.. Note: Press and hold the safety lock to unlock the trigger, then press the round lock button after the machine starts works the machine will keep working and you do not need to press the safety lock all the time. Specifications: Material: ABS+metal Battery: 1 battery, 2 batteries (optional) 1 battery type: 1 * lithium battery, 21V, 1200mAh (included) 2 batteries type: 2 * lithium battery, 21V, 1200mAh (included) Guide plate type: chain-wheel type Length of guide plate: 6 inch Chain-speed: 5m/s Charge time: 1.5(3)hours