this review title is: really easy to use and the content is: this plugs in so no batteries yay i got this nail lamp to use for my resin crafts it works really well i can either scoot the uv resin item under the lamp or take off the removable top and put it back over the item the top of the lamp comes off pretty easily but not on accident you have to kind of pull with purpose it also goes back on easily there are buttons for different times and settings pretty much plug and play light and easy to transport also.there are other information for this review, one is this reviewer did not purchase it and the other is 0 people think this review is helpful.