High-quality materials: Made of high-hardness ABS plastic raw materials, it is safe and durable, healthy and environmentally friendly, and has a long service life. It can be purchased with confidence and will not bring you other troubles. Give you a comfortable shopping experience.Protection: This product is made of ABS plastic, has very good waterproof, explosion-proof, sunscreen, UV protection, can protect your host well, give your access control or doorbell a very good protection, extend their Service life.Exquisite design: This product has a smooth edge design to protect your hands from scratches and easy to clean. It looks simple, comfortable and beautiful. It feels good and easy to operate and useEasy to install: The size of the product is precisely measured and designed to allow you to install it very quickly, simply by applying glue to the bottom (not included) and attach it firmly to the wall. It can be used, and it is not necessary to continue to operate this product for a long time after one operation, which is very light.