【1080P Full HD and Infrared night vision】the resolution is impressive and when visitors come closer to your door, you'll see clear details and won't miss any unseen corners! The built-in infrared light automatically detects ambient light and switches to night vision mode so you can see it clearly even in the dark.【2-Way Audio & HD View】Doorbell camera has built-in microphone and speaker. Door camera provides two-way talk and real-time video through noise reduction & rate adaptive technology, and allows you to have clear real-time communication with your visitors via your smartphone at anytime. The doorbell volume can be adjusted as needed.【2.4GHz Stable WIFI & Support Multi-user Sharing】Wireless doorbell camera only supports 2.4GHz WIFI (NOT SUPPORT 5GHz),please use high-speed stable Wi-Fi, then video camera can up and running in minutes. Easy setup. You can also add multiple cameras in same account. Easy to share life happiness with your family.【Instant Notifications】Video doorbell