This is a lithium angle grinder, is belongs to a multi-function product, can cut, can also be sanded, accompanied by other machines can also be turned into a multi-function tool. Equipped with double center safety protection switch, blade protection cover, this product with a variety of cutting and grinding blade and some other practical accessories. The product can be used with 5, 10, 15 batteries of three specifications, accessories can be purchased according to their own needs.