I bought these auto-open trash can because I thought it would be more sanitary since I would not need to touch the lid. However, as other reviewers wrote, it's so badly designed, and is full of problems. I bough this two months ago and am planning to get a step-on trash bin this weekend and "trash" these piece of garbage. If you want to know more, here are the main problems I had with this product. Problem #1: Extremely bad design. You can't get the trash out smoothly, and almost all the time, the trash bag gets ripped, so you end up leaning the trash can, yourself and kitchen floor. Problem #2: Frequent battery change. The trash can itself is cheap, but you have to keep buying 4 D-size batteries every 2 months. It adds up. Also it's really hard to take off the panel to change the battery. I always end up asking my husband to do it after so much struggles trying to open the panel. Problem #3: Too sensitive sensor. The sensor is so sensitive and it opens up everytime you pass by and it takes 4 seconds to close it. It means the odor of the trash comes out and fills up your kitchen. Problem #4: Bad for children. The height is about the same height with my 1-year-old and he is amuzed by this trash can. He can open it so easily, so he tried to put things into the trash can. Also you don't want your 1-year-old to be exposed to the smell and possibly touch the trash inside. Hope this helps. I decided to write a review because I feel tricked by good reviews for this product. I read them prior to purchasing this product and feel betrayed by them. I regret that I bought this so much.