This wired video intercom system comes with a 7-inch display video doorbell camera, night vision, and mobile TUYA monitoring and unlocking. It is suitable for villas, homes, offices, and apartments, and is easy to install.Features:Video doorbell camera for real-time monitoring of the front door.Night vision function for nighttime safety.Three unlocking methods for convenience.7-inch display screen for clear visitor display.Suitable for villas, homes, offices, and apartments, widely used.Specifications:CameraCamera Lens: 1/4 High Clear CMOSResolution: 800 linellumination: 0.02 LUXLight source: 6pcsIR LEDPower supply: From monitorSize: 119x147x31mm / 4.7*5.8*1.2inPower supplyInput: AC 110--240V 50/ 60HzOutput: DC 15V/2ASize: 45x80x52mm / 1.8*3.1*2in7 Inch MonitorScreen Resolution: 800x480Power: DC15V/2AVideo input: 1Vp-P 75 OhmRing music: 16X4 melodyDisplay time: Intercom 60s and monitor 30sPower consumption: Standby 0.2W and working 8WConnection: 4 wiresSize: 229x164x33mm / 9*6.5*1.3inPackage weight:1400g / 49.4oz (1 Receiver 1 doorbell)1800g / 63.5oz (1 Receiver 2 doorbell)Package List:1* Outdoor unit2* Indoor units4* Wires2* Power supplies2* Mounting plates1* Screw package1* User manual