Features: Rechargeable electric chain saw, light and portable, long battery life, no damage to the bark. Lightweight body, light and convenient, lightweight design, long time holding and not tired hands. Pure copper brushed motor, strong power, fast cutting, improve efficiency. Practical, fast speed, low power consumption. Fine quality switch, fast and slow adjustment, stepless speed change. Intelligent circuit control board, overload protection, to meet your different construction needs. Special guide plate, tungsten steel ball does not need to be lubricated, so that the machine reduces resistance during operation and reduces wear on the machine. Small size, can be held with one hand. Fine quality guide plate chain, deep quenching, more wear-resistant, smooth cutting. Specifications: Material: ABS+metal Type: 1-5 (optional) Battery: 1 * lithium battery, 21V, 1200mAh (type 1-4 included, type 5 not included) Power: 550W Guide plate length: 4 inch Chain speed: 5m/s Cutting size: < 100mm Working time: one battery for 1.5 hours