Intercom kit for 2 homes 4220/AL

Analog installation 4+n. Composed of: Two-button audio plate for calling. CE610 flush mount box. 2 Tekna T-500 phones with electronic ringing. TF-104 transformer. Supports up to 3 phones in the same household. Use with 12V AC electric door openers. Features of the plate: Extruded aluminum front. Electronic ringing with acoustic signaling on the calling plate in progress. Dimensions: Exterior: 134(W) x 148(H) mm. Flush mount: 125(W) x 140(H) x 56(D) mm. Features of the phone: Housing made of white RAL9003 ABS plastic. Detachable handset telephone cord via connectors. Wall mounting with multiple fixing points. Electronic ringing. Dimensions: 85(W) x 218(H) x 54(D) mm.