Aiphone KB-3MRD Master Monitor with Handset

FEATURES Internal All Call Chime and receiver volume control Optional selective door release with RY-3DL Two-way communication between inside stations Video identification and monitoring with 4″ screen Instant voice call-in with image Built-in illumination for low light conditions Selective Call Video out to DVR via supplied connector   SPECSCommunication: Handset (full-duplex)Video Display: 4" LDC screenDoor Release: N/O dry contact, 12V AC, 400mA (use RY-24L for larger contact rating or RY-3DL for 2 or 3 doors)Mounting: Surface mount directly to wall or desk mount using MCW-S/AWire Type: 2-cond., mid cap, solid, non-shielded - use Aiphone #871802Distance:Master Station to Door Station: 330'(22AWG) 650'(18AWGMaster Station to farthest Sub Master Station: 165'(22AWG) 330'(18AWG)Power Supply to Master Station: 16'(22AWG) 33'(18AWG)Power Supply to Sub Master Station: 16'(22AWG) 33'(18AWG)