Crony 4-Way Intercom Audio Doorphone Loudly Clear Voice Doorbell Kit Easy to Install -RL-0004
  Warranty: 12 Months
â– Â Multi-user intercom 4-way kit. Build-in microcomputer-controlled circuit and coding and decoding digital circuit. Only 4 cables for connecting all the units with stable performance and anti-interference function.
â– Â Intercommunication is available between indoor phones with privacy kept.
â– Â Busy line reminding and ring-off indicating
â– Â Centralized power supply.
â– Â Clear voice.
â– Â Maximum talking distance: 300m.
â– Â 4-wire connection.
â– Â Enclosed an adapter.
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â– Â Four interphones    ■ One transformerÂ
â– Â Four brackets       ■ Screws      Â
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Input Voltage | AC 100-240V 50Hz/60Hz |
Working Voltage | DC 12V |
Power dissipation | Static State <1.2W |
Talking State <1.5W | |
Audio anti-distortion power | no more than 20mW |
Frequency response | 1K-5K Hz |
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