Features: Made of high hardness PVC plastic, safe and durable, long service life. Waterproof, explosion-proof, sunscreen, UV protection, can better protect the host. Looks simple, comfortable and beautiful. Good to touch, easy to operate and use. This rain cover is suitable for many types of fingerprint device, access control keypad, attendance machine, doorbell,etc. Simple and fast installation, just coat the bottom with glue(not included) and stick it firmly on the wall. Specification: Condition: Material: Fire-proof PVC Plastic Color: Transparent Inner Diameter: 176mm/6.9inch Outer Diameter: 218mm/8.6inch Height: 75mm/3.0inch Depth: 115mm/4.5inch Thickness: 3mm/0.1inch Package list: 1 * Rain Cover Installation Method: Purchase AB glue (or glass glue) on the market, evenly coat the bottom of cover with glue and evenly paste the edge of the waterproof cover on the wall.Press it by hand for a few minutes and then stick it firmly (glass glue takes about 30 minutes).