Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. 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. 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 Color: blue 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 Package size: 300 * 120 * 110mm / 11.8 * 4.7 * 4.3in Package weight: Type 1-4: 1325g / 2.9lb Type 5: 901g / 2.0lb Packing List: (optional) Type 1-4: 1 * Electric Chain Saw 1 * Battery 1 * Charger 1 * Wrench 1 * Screwdriver or Type 5: 1 * Electric Chain Saw 1 * Wrench 1 * Screwdriver