I have use this trimmer.This trimmer is not at all good to use. It has many disadvantages this trimmer is not at all eci friendly trimmer and not at all user friendly it doesnt works properly we cannot adjust it properly to the reqired number to be trimmed . the cost of this trimmer is very high but it is not at all usrfull it is waste of money buying this product. it doesent has much effectiveness it is totally waste to use this trimmer so I request you all not waste your money for this usless product