M & S SYSTEMS DMC4RS 5 4-Wire Retrofit Indoor Room Station with Remote Scan and Master Volume (White) Features: White color face plate Retrofit for 4-wire intercom systems Volume control sets sound level Communicates with door speakers, other room stations, and master unit Power, volume, and scan control of the master unit’s built-in AM/FM radio receiver Scans auxiliary, CD, AM, and FM sources Can activate door release mechanism or a security system’s panic alarm Parts: 2 years limited Labor: 2 years limited
