About this item: 【High-performance Copper Brushless Motor】The cordless chainsaw is powered by brushless motor, This delivers more power and runs longer than a conventional carbon brush motor, because there is no wear from mechanical abrasion 【Lager Cutting Surface】The cordless chainsaw combines the sharpness of the 350 mm high-quality cutter rail and chain with the freedom of cordless technology. The chain cuts through garden wood, structural timber and carpentry workpieces at a rate of 15 m/sec 【Auto Oiling Syste】：Tightening the chain tension and changing the chain is completely tool-free. The large oil filler opening enables lubricant （50mL) to be topped up with ease and the chain is lubricated automatically；Oil level can be observed on the right side of the oil bottle,And oil display window can prevent from forgetting adding oil that delivers a continuous and stable oil supply. 【Handheld Cordless design】The cordless chainsaw has an ergonomic handle with a soft grip surface for a