this review title is: buyer beware comes without a user guide and the content is: i would suggest reading the and star reviews in order for this to work the door has to shut this door will not shut there is no magnet or latch and there s nothing in the box or unit that is loose the directions aren t great there is no user guide just a singular sheet of paper i took a video to show what i meannow we have a defective unit that we have to box up and deal with the return process what a hassle i will be looking at other units after we return this one we won t be using this seller again one of the reviews says this isn t a true uv sterilizer i have no idea if that s the case but wouldn t surprise me.there are other information for this review, one is this reviewer did not purchase it and the other is 1 people think this review is helpful.