With the latest IP technology, you only need 2 wires to connect the doorbell and the monitor. When a visitor presses the doorbell, you will receive a TUYA notification on your mobile phone and you can see, hear and speak to anyone at the door and unlock the door remotely via your smartphone. 1080P Camera System with 7-inch Touch Screen: Unlike traditional push button monitors, our product is a touch version. The monitor has a slim design and the 1080P camera provides a clearer image than other monitors. This can improve security of your home. PIR Motion Detection: When a visitor presses the doorbell or the motion detection is triggered, the doorbell camera will automatically record videos or snapshots and save them to an additional micro SD card to protect your home every day. (SD Card Included) Recording and Playback: Our monitor is equipped with a 32G memory card, when the motion detection activity occurs, the monitor and mobile phone will record, you can save the recorded content