Legrand - On-Q IC5400WH Selective Call Intercom 4Location Kit, White 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