attractive modern design with an anthracite color housing and unique features No Subscriptions, No Separate Hub needed works with Amazon Echo Show & Google Nest Hub Chime, indoor bell included in the package Two way audio, high quality speaker & microphone built-in Nightvision, see clear images when its dark Full HD resolution, 1960x1080p R9061 Video Doorbell & Chime is our second doorbell model next to the well known and succesful R4957. The R9061 comes with an very attractive modern design with an anthracite color housing and unique features. It is a battery powered video doorbell including 2 pieces type 18650 rechargable batteries of 2600mAh each. Once fully charged the batteries can last between 3 months to 6 months depending on the amount of interaction like the PIR sensor settings and alerts and the amount of recordings saved by the doorbell. Once the battery goes down the 10% level user will get an alarm alert so the doorbell can be charged on time, charging is done by using the supplied Micro USB to USB cable. The R9061 is an internet (Wi-Fi) connected doorbell that notifies the user by the WOOX Home app or indoorbell (chime) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell. The WOOX Home smart video doorbell lets the home owner use the WOOX Home app to watch and talk with the visitor by using the doorbell's built-in high-definition infrared camera, microphone and speaker.