Aiphone IE-8HD Handset Sub-Master for IE-8MD

Aiphone IE-8HD Handset Sub-Master for IE-8MD Part Number: IE-8HD Manufacturer: Aiphone UPC Number: 790143375430 Description Aiphone IE-8HD Handset Sub-Master for IE-8MD Sub handset to communication with maximum two IE series door station. Door call-in is announce with either a two or four stroke chime. The IE-8HD features a handset for private communication, selective door release control, chime volume control and selective calling to sub handsets (IE-8HD). Maximum five IE-8HD can be connected in a system an IE-8MD must be included as a master handset when using the IE-8HD Features Two doors with Selective Door Release Room-to-room calling or All Call Easy 4 conductor wiring between handsets 2 wires to door stations, same as doorbell External doorbell can be added AC or DC powered - (12 16V AC or 12 18V DC)