ABOUT WIRING:The monitor to doorbell need wired with 4 wires. You can extend the distance from monitor to doorbell with RVV4(4-core wire)/Cat5/Cat6 cable as needed, the maximum distance from monitor to monitor is 100-200 metres. The main monitor can be connected to your home Wifi network, allowing you to view visitor information via your mobile phone at any time. 7 INCH TOUCH MONITOE AND 1080P DOORBELL:7 inch touch screen monitor, touch operation, hands-free, support Wifi to connect to the Internet. Outdoor doorbell with waterproof cover, built-in infrared sensor and 1080P camera,120°to 140 °wide angle, night vision, waterproof, dustproof and vandal resistant. You can connect all 12V electronic locks MOTION DETECT & AUTOMATIC RECORDING:The wireless video intercom is equipped with motion detection:when visitors press the doorbell or motion detection is triggered, the doorbell camera will automatically record videos or snapshots and save them to the additional Micro SD card(32G card include) to protect your home every day. You can view it on your cell phone or monitor. Anti-tamper Alarm: The Montor supports outdoor doorbell Camera +CCTV AHD Camera, dual security monitoring, More safer and more comprehensive monitoring of every corner of the house , and support Montion detection function, and your phone can receive the alert, increased cctv Anti-tamper Alarm function, so that thieves have nowhere to hide, providing a safe living environment Multi-device usage:Connect up to 2 CCTV cameras,2 doorbell and 4 minitor. Insert the BNC male connector into the BNC female connector of the camera and tight it to the right Connect the 2P connect wire between the "+-" of the BNC male connector and the CAM1 or CAM2 port(Only support 2MP 1080P AHD Camera ) THREE WAYS TO VIEW: our products can be directly external camera, through the camera to view a broader picture. And you can view the surveillance screen through three different channels, you can view it through your cell phone, monitor and computer. To view on your computer, all you need to do is log in to your Tuya account on your computer. Mobile Computer Linkage:Support mobile phone or tablet to download Tuya smart app .After downloading the Tuya app, Just scan the QR code to connect to the app,you can connect the monitoring device to your smartphone in less than two minutes.The operation is simple and safe. Indoor Monitor：
7inch HD IPS Touch Screen , Acrylic Wire Drawing Panel
Supports Tuya smart / smart life app
Room to Room Intercom
Door Answering, Monitoring And Unlocking
Supports Montion Detection,photo video playback
Adjustable Color, Brightness and volume
Built-in Memory Can Save 86 Pictures, Support External Max.128GB SD Card(not including)
6 Ringtone For Choice (new firmware with motion detection, but with 6 rongtone)
Intercom Mode：Hands-free dual-way communication/tuya & smart life app control
Conversation duration：120s
Power Consumption：400mA Max.
Power Supply:External power DC15V 1.2A
Support 2 call panel + 4 indoor monitor + 2 IP camera
Supports Chinese ,English ,German,French,Russia ,Spanish,Arabic ,Portuguese,Italy

Adavantage:
1.Supports dual Doors unlocks (Electric lock)
2.Support setting weather /calendar/standby wallpaper
3.Support cctv Anti-tamper Alarm4.Support 2 X 1080P AHD Cameras5.At home ,leave home , sleep home-3 models

Outdoor doorbell：
1080P FHD camera (Top level)
140° big wide angle（upgrade 120° to 140 ° )
Anti destructive Metal material (Compared to Plastic, it has a longer lifespan)
2 pcs White LEDs For Night Vision, Dark Night will be More Clear
IC Card (13.56khz)
Dual-way Intercom
Easy To Install
Rust-proof Metal Call Panel
IP65 Weatherproof
High performance temperature resistance: -45 ℃ or+60 ℃
Supports dual unlock(Electric lock)

NOTE:
1.Please note the wifi video intercom system not mean it's don't need any cable. The monitor support WIFI network,but the indoor monitor and doorbell is Wired.
2.The monitor support WiFi network(only connect with 2.4GHZ router band), easily setup video doorbell by connecting to wifi via the Tuya app.
3.The indoor monitor and doorbell is Wired connection. You can use RVV4/Cat5/Cat6 wires to extend the monitor to doorbell, or monitor to monitor according to your need,mounting in your desired location. maximum distance can exceed 300ft.
4.Supports 5 mobile phones to share, APP free. Support 2 doorbell, 6 indoor monitors. Can be connected to all electronic locks.
5.Not only conduct video intercom with guests, It is easy to talk between indoor units placed in different rooms and different floors, making communication easier and more convenient.