Smart WiFi Doorbell on PCSmart WiFi Doorbell, coming from the developer Chuango Security Technology Corporation, is running on Android systerm in the past. No more eyeing the battery or frustrating calls at the wrong time any more.Just enjoy Smart WiFi Doorbell PC on the large screen for free！Smart WiFi Doorbell IntroductionThe completely wire-free Video Doorbell (Battery Plus) is easy to install, for outdoor use. With ultra-low power consumption technology, this Video Doorbell works under normal usage for about 12 months in standby mode with 3 AA batteries. No wiring or cable is required. Just apply the provided bracket and screws to affix the doorbell to your door frame, and then connect the doorbell to your home WiFi network by following the step-by-step instructions in our free app, and you are good to go.When someone presses on the bell button, the Wireless Chime will ring, and you and your family get an instant notification on your smartphones, enabling you to see and speak with your visitor no matter where you are in the house or in the world.Statement for the Auto-Renewable Cloud-Based Recording Plans1. Payment: Auto-renewable subscriptions include “Basic Monthly / Basic Annually / Premium Monthly / Premium Annually”. Payment will be charged to your Apple ID account at the confirmation of purchase.2. Auto-renewal: Your account will be charged for renewal within 24-hours prior to the end of the current period.3. Cancel subscription: The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period.4. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.5. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription.