ATUPEN mini hand saw comes with two 21v 1500mAh portable batteries,cordless and easy to carry for work anytime.The saw chain speed is 480m/min,it can complete the cutting work at high speed so you can cut branches,bamboo,wood,etc quickly.Cordless chainsaw is added a safety bezel to prevent wood splashing,a safety lock button to prevent accidental start.In addition,LED light is added for using easily in places where it is not clear.