Tmezon Wired Video Intercom System, 7 Inch Ring Video Doorbell with Night Vision Support Remote Unlock, Dual-Way Intercom for Villa House Office

【TMEZON 4-Wire Video visual intercom system】 7 inch color LCD indoor monitor built with easy operating system,slim design and fashionable Touch button. Outdoor doorbell with HD camera, 115 degree wide view angle,High definition,Night vision,Rainproof and Anti-vandal design. Doorbell can connect the all electronic lock. 【Indoor Intercom Monitor】When someone press the call button on outdoor unit,you can able to see and speak to whoever comes to your door. Gate locks so you can open them securely and conveniently from inside your home. 【7 Main Features】 7 Inch LCD screen;16 different kinds of door bells chimes; Volume, brightness and contrast are adjustable; IR camera with night vision;Electric lock-control function;Handfree intercom;Auto turn off. 【Easy Installation 】Surface mounting,easy 4-wire setup system includes rain cover,connection terminal,screws materials.(Note: *1* We suggest testing the doorbell kits with our original cable before installation,and the distance between the units should not be too close while testing,or it will cause noise sound.*2* Please don't connect the power adapter directly with the outdoor unit or it will be burned. The power adapter should connect with the indoor unit) 【About the extension wire】The extension wire is not included in the box,but we will provide the 4 pin connector for you connect the extension wires.You can use RVV4(4 core wire)/Cat5/Cat6 wires to extend the distance for monitor to doorbell, monitor to monitor according to your need, maximum distance 100-200 meters.

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