this review title is: don t waste your money and the content is: please note that there are two models one that requires batteries and one that does not the one that does not only needs to be charged before use hold the button down for a while in order to get it to turn on having said that this is not nearly as good as one another brand that i had previously purchased and that amazon no longer carriesthis one is very cheap qualityi wish i had returned it.there are other information for this review, one is this reviewer did purchase it and the other is 1 people think this review is helpful.