KVM-520 Videophone

4" CRT Black and White VDP* Audio and Video conversation with visitor* Up to 5 indoor units (4 monitor and 1 audio handset- KIP-603) and 1 front door camera connection* Power Trans AC220V+/- 10% or AC 110 +/- 10%* Assurance temperature 0*C~ +50*C* Communication system : Duplex handset conversation* CRT : 4" flat tube* Wiring : 4 wires ( front door camera) , 6 wires ( common gate camera)* Max wiring distance : 100m( front door camera)* Weight : 1.7kg* The produce may iclude option or additional functions .