Smart WiFi video doorbell, guardian of your homeSee, Hear & Speak 1080P HD gives you the clear and crisp footage you crave.Hear and speak to people anywhere outside your door with the built-in microphone and speaker. Fast response to direct video calls.Receive a video call on your phone when your doorbell is pressed. Use the preset messages to reply when you're busy. 1080 HD and night vision.With the 140 degree wide-angle lens, the video doorbell camera can bring you clear provide pictures and videos. When it's dark, the doorbell will automatically switch to night vision mode to ensure home security. Keep the bell within range of the router when connecting.The wireless video doorbell supports 2.4GHz network, it cannot support 5GHz network. You can only get notifications when the app is running in the background or turns off, or when someone presses the smart doorbell's camera button.