Description:It is a Isimple audio intercom kit 8 apt, ideal for converting old intercom systems with telephones to a hands-free intercom system. With 2-wire technology, no polarity.
Akuvox Smart Panel X933H Intercom. Zigbee Hub. Smart Home Control Panel in One
Smart Intercom Crisp audio and video calls with door phones Remote door unlocking Room-to-room communication.