How to use: press the switch for 2 seconds to power on, short-press the switch to switch. About this product Eight mode switching: with an intelligent display, the mode is clear at a glance, timed disinfection is fast, and it is more convenient to change the required mode. Multifunctional intelligent deodorizer, with purification and disinfection, fruit and vegetable preservation, refrigerator deodorization and degradation, etc., so that you can always get food. Efficient deodorization: This electric deodorizer has powerful penetration, diffusion, and decomposition capabilities, oxidizing and decomposing odor molecules, making the refrigerator breathe fresher without the original new smell. It can effectively harmful substances and odors.