Indoor station audio, studio white matt, Busch-Welcome (2-wire system), indoor stations, indoor station audio With hands-free function. Hands-free volume adjustable. Quick access buttons for opening the door, muting and light. Different ring tones can be set for door and floor calls, five polyphonic ring tones are available. Volume of the ring tones can be adjusted. Consumption units: 1 Protection class (device): IP 30 Temperature range (device): -5 °C to 40 °C Dimensions (H x W x D): 175 mm x 81 mm x 22 mm
