Factory Sealed Brand: Ring Powersourc: Wi-Fi Connectivity: Wi-Fi color: Silver Finish: Satin Nickle The Ring doorbell is a must-have for any homeowner. With its sleek silver design and wireless Wi-Fi power source, it's the perfect addition to any modern home. The round button shape and satin nickle finish give it a stylish touch that will complement any door. it requires only one battery and has a compact width of 1.85".