1、Good Performance: Waterproof, explosion proof, sun proof, UV proof, it can better protect the host in bad condition 2、High Quality Material: Made of high quality PV, durable and sturdy, it can withstand a weight of 30kg, safe and reliable 3、Convenient to Use: The shell is transparent and simple design, which make it easy to check the operation of internal machines, convenient and fast, improve work efficiency 4、Easy to Intstall: The installation is simple and quick. It only needs one screw to fix it, and there is a screw hole reserved. You can use a 3mm diameter screw to assist the fixation, and it will be firmer 5、Wide Range: Wide range of applications, it is widely used in fingerprint locks, doorbells, door viewer, credit card machine and other places