![AIPHONE™ DA-1MD Master Handset Station [I166T]](http://en-shop.sysaway.com/cdn/shop/products/I166T_grande.png?v=1706627558)
Reference:
I166T
DA-1MD master handset features a call tone volume control, handset for communication and button for door release. It connects via two wires to a DA series door station.