【Two-Way Audio & Motion Detection】: The wireless video intercom features a built-in microphone and speaker, allowing two-way conversations with guests and alerting strangers. The built-in PIR sensor allows you to receive real-time alerts and push notifications on any motion detection triggered. 【Infrared Night Vision】: The outdoor HD wireless video intercom features infrared night vision, automatically switching to night vision mode in low light conditions. The 120-degree wide angle provides high-definition images and video recording, even at night, providing clear video. 【Smart WiFi Setup】: Long-range signal transmission, the wireless video intercom camera is always online, answer the door anytime, anywhere, and supports remote updating.