AIPHONE DA-2DS 2 Call Door Station

Features: Connect Electric Door Strike with same two wires from Door Station, Requires no extra power supply for electric door strike Existing doorbell or chime wires can be utilized (disconnect from transformer) Master station is equipped with DOOR RELEASE and one FUNCTION button to turn on entrance light, etc. Optional call extension sounder Vandal resistant construction Thin and compactly designed unit Directory is steadily backlit