Four-room kit enables broadcast or room-to-room communication and allows up to three simultaneous private conversations * Installation is simple and efficient * Unit auto-discovery * Convenient RJ45 connection * Kit Includes: 1 IC5001 Selective Call Intercom 8-Location Dist Mod 4 IC5000-WH Selective Call Intercom Room Unit and 1 PW1030 24VDC 30W Power Supply