Two call buttons, hands-free Bluetooth smartphone entry — for two-unit homes or dual-zone access. Walk up with your phone and the EKEY sLine reader unlocks automatically. Paired with a 5MP HD camera and 11 premium finishes including brass, titanium, and jet black PVD.
Price varies by finish. 11 finish options. Ships USA.
Buy on DoorBird USANo subscription required · 11 premium finishes · Hands-free Bluetooth entry
Walk up with your phone and the door unlocks automatically — no button press, no fob tap. The ultra-precise BLE reader authenticates in under a second. Works even with hands full of groceries.
Two buttons map to two separate DoorBird accounts — ideal for a duplex, a main house and guest suite, or two separate access zones (front door and garage gate).
Premium 5-megapixel sensor — more than twice the resolution of standard 1080p. 180° hemispheric wide-angle lens with IR night vision. See every detail of your entrance.
Stainless steel V2A, V4A brushed, brass, titanium PVD, jet black PVD, bronze, anthracite, and more. Match any architectural style — from modern minimalist to classic brass.
D21 series stainless steel construction. IP65 rated for full outdoor exposure. Engineered in Germany — the EKEY sLine reader operates reliably in rain, snow, and freezing temperatures.
Every entry event recorded — 50 most recent free per account. No Ring-style subscription. Manage everything from the free DoorBird app for iOS and Android.
| Camera | 5MP HD, 180° hemispheric lens |
| Access Control | EKEY sLine Bluetooth Low Energy reader |
| Call Buttons | 2 (separate DoorBird accounts) |
| Night Vision | Superior IR LEDs |
| Audio | Full-duplex, AEC + ANR |
| Connectivity | WiFi 802.11 b/g/n + PoE 802.3af |
| Power | PoE 802.3af or 12–24V AC/DC |
| Weather Rating | IP65 |
| Finishes | 11 — stainless V2A/V4A, brass, titanium PVD, jet black, bronze, anthracite, and more |
| Mount Type | Surface or flush (model-dependent) |
| Series | D21 (modular, expandable) |
Hands-free Bluetooth entry, two call zones, 5MP camera. No subscription. Ships USA.