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This cordless video intercom from security experts Response Electronics allows you to see and speak to callers before you open the door no need for an expensive mains powered installation. The system takes only a couple of minutes to set up. Both units are cordless, the doorbell unit working wirelessly with the video handset to allow two way communication. Simply mount the doorbell which contains a camera, microphone and speaker on your front door, and it will relay sound and colour video footage directly to the handset. You can then see whos calling, and speak with them via the handset to check their identity, for instance, or to ask them to wait while you get to the door. The doorbell unit will work for up to 2 years on standby before the batteries need replacing.
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