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7inch Video Doorphone #免费pg电子试玩-B17AD - Keypad tone indicating, with key pad back light design for easy o
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7 inch AHD Video Doorphone #免费pg电子试玩-B17FID-AHD The outdoor unit can call the indoor unit for an intercom
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7 inch AHD Video Doorphone #免费pg电子试玩-B17AID-AHD- Two million pixels AHD camera. - Keypad tone indicating.
