7 "AHD VIDEO DOORPHONE # 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.
