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PT-108 Audio Door Phone
-Power: DC15V. -Housing material: ABS. -Size: H225*W97*D55 (m/m). -Working temperature: -5 ~ 44 . -Installation: wall mounted. -Wiring: 2C for voice and data. -Maximum wiring distance: 0.75mm V 1400M; 0.5mm V 550M. -Bell adjuster. -Buttons: internal, call out, recording, open K. -Indicator LED: Busy, massage, and call in K. -Privacy. -User friendly vocal announcement (optional.) -Recording service (Optional): 4/40s recording and play. -Failure Auto detection: detecting the short circuit, interrupter, and setup mistake K -Flexible: separate module design for users combination. -Expandable: build-in relays to associate with the accessories -Capacity of 3000 nodes.
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