The CRONY RL-0004 4-Way Intercom Audio Doorphone Kit is a reliable wired communication system designed for homes, offices, and multi-user environments. Featuring a microcomputer-controlled circuit with digital coding and decoding, it ensures stable, interference-free communication between units. This 4-way intercom allows privacy during indoor conversations while providing busy line reminders and ring-off notifications.

With a maximum talking distance of 300 meters, the RL-0004 offers clear voice transmission and centralized power supply for consistent performance. The kit includes four interphones, a transformer, four mounting brackets, screws, and a wiring diagram, making installation simple and convenient for a professional or DIY setup.

Key Features:

• Model: RL-0004

• Type: 4-way wired audio intercom system

• Connection: 4-wire installation

• Communication: Multi-user intercom with privacy

• Voice Quality: Clear, stable, anti-interference

• Distance: Up to 300 meters talking range

• Power Supply: Centralized

• Indicators: Busy line reminder, ring-off notification

• Package Includes: 4 interphones, transformer, 4 brackets, screws, wiring diagram

• Installation: Easy and straightforward