1、This electric chainsaw using the large capacity lithium battery to supplys power, the cordless design makes it convenient to carry outdoor to use. 2、Upgraded baffles are more effective against splashes and chains damage, give you a more safety using experience. 3、With quickly cutting speed, which is practical and low power consumption, high stability and performance. 4、Ergonomically Designed Handle: The handle is ergonomically designed to save effort and not tiring hands. 5、You can add the oil to make the chains smoother and there is an oil viewing window for you to watch the amount of oil left. 6、The chains adjust knob can help you to adjust the chains easily, you can adjust the chains to the right position. This electric chainsaw using the large capacity lithium battery to supplys power, the cordless design makes it convenient to carry outdoor to use. You can add the oil to make the chains smoother. If you are looking for a new chainsaw, come and try this one, it will not let you down. Specifications: Material: ABS+metal Battery: 1 battery, 2 batteries (optional) Plug: EUPlug, USA Plug (optional) Battery Specificaion: 21V, 4000mAh(There are ten small batteries inside a big battery） Voltage: 21V Guide plate length: 200mm Chains: 1/4inch Chains speed: 15m/s Speed: 20000RPM Package size: 420 * 170 * 150mm / 16.5 * 6.7 * 5.9in Package weight: One battery: 2200g / 4.9lb Two batteries: 2770g / 6.1lb 1 * Host 1 * Chains 1 * Guide Plate 1 * Power Adapter( EU, USA optional) 1 * 21V Battery 1 * Baffle OR 2 Battery Packing List: 1 * Host 1 * Chains 1 * Guide Plate 1 * Power Adapter( EU, USA optional) 2 * 21V Batteries 1 * Baffle