Ring 视频门铃有线版（最新型号），使用双向通话，先进的运动检测，高清摄像头和实时警报监控您的前门（需要接线） 1个门铃 门铃仅限
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Ring Video Wired Doorbell（最新型号）为您的家庭或商业安全提供全面保护。具备双向通话功能、先进的运动检测、高清摄像头和实时警报，确保您随时监控前门。安装需接入电源，适合需要安全监控的用户。...
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