Hands-freeConnection: one of two-core wire (no polarity)Appearance color: grayInstallation: surface-mountedWorking voltage: 15V (whole system supply power)Monitor outdoor phone, intercom and remotely unlockTime for display: 60 secondsFunctions: video intercom, surveillance and unlockingSimple push-button operationReceive alarms and memory alarm informationMonitor turns on instantly when call button is pressedStatus indicators:Power: lights when power is onOperate: lights when system in useOEM/ODM orders are welcome
