可视对讲 Products from producerIn stockReconfirm the price with sellerContact supplierShipping:CourierIn detailAdd to selectedCompareSellerBeijing zhongtang shengshi technology co., Ltd.China, Beijing(View map) +86( Display phones Products of other enterprises一对二智能楼宇对讲系列D02酒店门锁RS485联网型门禁控制器可视对讲-门禁系统Video door phone DH-810Technical characteristicsDoorphone typeVideo intercomDescription1、户与户之间可双向呼叫、对讲 2、能接收门口主机的呼叫对讲并开锁 3、可按报警键呼叫管理中心机,与之实现双向对讲 4、具有单户监视功能 Contact the seller可视对讲 Full namePhoneE-mailCaptcha (4 characters)I agree with privacy policies, regarding confidential data and user agreementMessage We recommend to see Door intercommunication systems memory Blocks for video intercom Locks for door intercommunication systems Shipping method