数量有限，价格最优惠5MP 20X IP66户外智能自动跟踪PTZ安全摄像机兼容Hik

For the management needs of street smart security building work, create a smart security building control platform, change the grassroots data scattered, business and situation research and judgment early warning means can not cover the situation, the construction content to access control system, ladder control system, visitor management system