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Audio Doorphone for Villa
Product Features:
2-wire connection.With unlocking function.Anti-oxidation, wearable aluminum outdoor unit.The name or room No. of the user can be displayed on the outdoor unit , along with LED indication.High-quality circuit to promise sharp clear voice.Talking distance is above 100m (2X0.8mm2).Easy DIY installation.2-wire Audio Doorphone Kits for Villa RL-3207A