Product type: intercom kit, version: full set, connection diagram: multi-wire, communication type: half-duplex either transmitting or receiving, screen diagonal inch: 10 , functions: video, installation type: wall-mounted, corner
Additional Information:
Operating temperature min: -40.0 °C; operating temperature max: 50 °C; expansion to maximum number of indoor units: 4; expansion to maximum number of outdoor units: 2