this review title is: dead watch but holds oil scent well and the content is: i would give it stars but the description states the battery should last months but died just a few hours after opening it and setting the time i bought new batteries for it and it was still dead i am returning it regretfullythe colorful sponges do hold the oil drops well lasts for hours.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.