Product Description Doorbell: Smart life app with Google Assistant-enabled smartphone-connected doorbell that activates notifications and two-way calls for easy home monitoring. Smart doorbell for google home, wireless doorbell with camera for alexa, wireless doorbell with camera Wireless connected doorbell with battery: 800mAh long-lasting rechargeable battery: The smart wireless connected visual doorbell is equipped with 2 rechargeable 800mAh batteries. The batteries we offer for the visual doorbell fully charge in about 5 hours. With a single charge, the outdoor doorbell can be used for up to 60 days. Sleep mode is available for up to 180 days. Doorbell for alexa, wireless doorbell compatible with google home Smart security visual doorbell with camera: Ultra clear infrared night vision visual doorbell with security feature automatically switches from day to night mode depending on light conditions . Ring Compatible Visual Doorbell Visual Doorbell with Wireless Monitor: Easily connect to the WiFi doorbell through your wireless doorbell app and set it up quickly and easily using 2.4GHz WiFi (Wireless Visual Doorbell does not support support 5GHz WiFi). The wireless visual doorbell is wireless, allowing the wireless doorbell to be installed anywhere. Clear two-way audio communication and multi-user sharing: Using a responsive and advanced microphone and speaker with built-in noise filter, our wireless doorbell with camera enables clear, real-time two-way communication with your visitors at all times via your smartphone, and also allows your visitors to drive even uninvited guests. This wireless doorbell also supports home sharing and can connect up to 9 users.