2-12 Units Building Video Intercom System Apartment Video Doorbell Door Phone For Home Monitor Night Vision Camera Kits

2-12 Units Building Video Intercom System Apartment Video Doorbell Door Phone For Home Monitor Night Vision Camera Kits When someone press the call button on outdoor unit, it will active the indoor monitor, monitor will turn on, ring and show the video outside. So you can see who is outside,  Then you can press the response button on monitor to talk with the people outside, unlock the lock and press the response button again to end the conversion. This 2-way communication is an inexpensive and effective way to talk with the stranger at the door without actually opening the door. Feature: The TFT 7 inch digital color LCD screen for monitoring. High-resolution night vision, monitoring, calling, speaking, unlocking, remote controlling. Hand-free intercom munication. Brightness, Chroma, and Volume adjustable. 16-chord melody ring for option. Indoor Monitor: Display: 7 inch TFT LCD screen (16:9 dispaly). Resolution: 800 X 480. Input: AC 100-240V 50Hz-60Hz. Output: DC 15V/1200mA. Case: ABS Engineering Plastics. Installation:Surface mounting. Outdoor camera: Camera resolution: 1000Lines. Camera: 1/3 Color CMOS Camera. Built-in microphone and speaker Power Adapter: From Monitor, DC15V. Viewing angle: (U/D/L/R, degree): 60/35/70/70. Connection: 4 cored wire (Up to 12 monitors). Case: Aluminum material, weatherproof. 1 camera and Multi LCD color monitor, supporting 1 building which has multi households.You can see and hear before you're at the door. 7 Inch LCD press key screen,door answering, monitoring and unlock, dual-way intercom Mute door intercom with door dell kits. 16 different kinds of door bells chimes.Volume, brightness and contrast are adjustable. Fashion and nice design,which can also be used a decoration of your house for home improvement. 1000TVL CMOS IR night vision high resolution door monitor camera, easy to install,wired connection stability for home security systems. Can be used in apartments, villas, hotels, offices, public buildings.Max Support video intercom 12 monitors of security & surveillance equipment. Package List: 1V2=1pcs 2 buttons +2pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V3=1pcs 3 buttons +3pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V4=1pcs 4 buttons +4pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V5=1pcs 5 buttons +5pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V6=1pcs 6 buttons +6pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V8=1pcs 8 buttons +8pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V10=1pcs 10 buttons +10pcs monitor+1pcs test cable+adapters+accessory pack+manual 1V12=1pcs 12 buttons +12pcs monitor+1pcs test cable+adapters+accessory pack+manual Diagram Tips: Below Diagram is just as installation reference, not order contents. about specific order contents, pls read above "pacakge list" many thanks