העליון 4mp colvu כפול אור אודיו IP מצלמת IP 2.8 מ "מ עדשה ip66 צבע מלא צבע cctv אבטחה מצלמה כיפה רשת

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