Answer a door anywhere! Your clients can see and speak with visitors and open their door using a smartphone or tablet. With DoorBird, your clients never miss a visitor. The DoorBird™ D2101KV is the ideal solution for single family homes and commercial properties that require an efficient access control solution. The D2101KV has an integrated keypad that selectively controls two built in bi-stable relays. Access control pin codes are created and managed via the DoorBird app. The built-in relays can also be controlled via the DoorBird app to allow the user to remotely grant access to visitors. The DoorBird IP Video Door Station can be used as a stand alone system or easily integrated into a smart home, CCTV, or control system. All DoorBird products are designed, developed, and manufactured in Berlin, Germany.Affiliate Warranty Information: We want to make our Affiliate program as easy as possible. That’s why we process all claims directly. Specific warranty terms and details from the manufacturer can be found here. Backbox required, sold separately. Available in 50 finishes.