About product and suppliers:
            78,034 security products are offered for sale by suppliers on Alibaba.com, of which cctv camera accounts for 16%, locks accounts for 2%, and lock cylinder accounts for 1%. 

A wide variety of security options are available to you, such as h.265, h.264. You can also choose from stainless steel, plastic, and metal security, as well as from vandal-proof, waterproof / weatherproof, and night vision security, and whether security is cmos, or ccd. 

There are 39,998 suppliers who sells security on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Hong Kong S.A.R., from which the percentage of security supply is 99%, 1%, and 1% respectively.