doorphone

常见例句

• Professional manufacturer of Landline and GSM Home alarm, IP camera, Video Doorphone.
  把握机会啊，我们做报警器的，还有摄象机，如果你客户需要，可以联系我啊！
• Video doorphone system consists Center controller, Outdoor station,Indoor monitor,Power system, Video Intercom, andVideo channel.
  本系统以管理中心为核心，通过联网总线和微处理器系统将整个小区有机联结起来。
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