It without manual operation Its operation steps are not complicated: You don't need to touch it, just close the toilet the lamp function work. When you open the toilet lid, the device immediately powers off and stop working. Therefore, this product is safe, -saving and environmentally friendly. The odor in the toilet be removed, IPX4 Waterproof design Moisture-proof , This product is waterproof, equipped with a wrap-around silicone ring, effectively waterproof and moisture-proof, the overall design is meticulous. Intelligent UV lamp can help you use the toilet comfortably and healthily,it can protect your own health and the health of your family. The type is easy to install, firm and convenient to use The utility model has the advantages of simple structure and convenient installation. The longer the back glue is stuck, the stronger the stickiness is and the more firm it is. Silicon Rubber card slot design, effective anti-falling off.