7 "ВИДЕО ДВЕРФОН AHD # RL-7BT4-2H

• -7inch TFT screen with widescreen images and no radiation, low power consumption but high definition.
• -IPX5 waterproof.
• -Release the electric lock and gate lock.
• -Monitor the outside.
• -16 melodies for option.
• -Ringtone, talk volume, image brightness and contrast adjustable.
• -Do not Disturb Function.
• -Ringback tone for the outdoor unit.
• -Non-polarised two wires connection.

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