2/3/4Units Tuya Wifi Building Video Doorbell 1080P 10inch Big Screen Touchscreen Smart App Home Intercom Video Door Phone Kit

2/3/4Units Tuya Wifi Building Video Doorbell 1080P 10inch Big Screen Touchscreen Smart App Home Intercom Video Door Phone Kit >>>Introduction 1 camera and 1 LCD color monitors, you can see and hear before you're at the door. 10 Inch LCD press key screen,door answering, monitoring and unlock, dual-way intercom Mute door intercom with door dell kits. 6 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. 1080P 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.Support video intercom multi monitors of security & surveillance equipment. Support APP/Fingerpring/RFID Unlock Max support 128G TF Card( SD card no included in package) 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. >>>Technical parameter: >>>Standard package contents Notes:There are 3 Different Sets For Option,pls choose your prefer sets,Many Thanks V1024B-MSA-1V2=1pcs 2 Buttons Outdoor Unit+2pcs  Indoor Unit+1pcs test cable+Adapter+Accessories+Manual (SD card no included) V1024B-MSA-1V3=1pcs 3 Buttons Outdoor Unit+3pcs  Indoor Unit+1pcs test cable+Adapter+Accessories+Manual (SD card no included) V1024B-MSA-1V4=1pcs 4 Buttons Outdoor Unit+4pcs  Indoor Unit+1pcs test cable+Adapter+Accessories+Manual (SD card no included) Diagram Tips: (Notes:Below diagram is just as reference, not order contents, about specific order contents, pls read above "package contents")