The automatic model is sensor controlled and has a lid which quickly opens when the trash bag gets about 10 inches and 130 degree angles from the can's sensor. With normal usage, the power will last about 6 months with 4 D-size batteries. For those that do not require trash bags, the inner bucket can be easily removed and cleaned when the trash is removed and taken out.
Don't be surprised that most the things that can remove the bad smell can easily be found in your kitchen. You can also use the combination of any of the tips below together to effectively remove any bad trash can smell. Try those tips and you will say goodbye to trash can smells forever.