Smart door lock Aqara EL-D02D-B Bluetooth Key Code RF card

The Aqara Smart Lock U200+ Kit (model EL-D02D) is a retrofit smart door lock designed to replace the indoor portion of an existing Euro-profile or select Scandi cylinder without drilling. It combines multiple access methods — fingerprint, NFC, passcode, RF card, mechanical key and Bluetooth — and supports Matter over Thread for integration with modern smart home ecosystems. Managed via the Aqara Home app, the lock offers rechargeable Li‑ion power for the lock unit (up to around six months depending on usage), AAA power for the external keypad, IPX5 water resistance and operation across a wide temperature range.

Advantages

The U200 provides flexible, keyless entry while keeping a mechanical key option for emergencies. Native Matter over Thread support enables direct integration with Apple Home and other compatible platforms (Aqara Hub M3 may be required for some services). Security features include AES encryption and fingerprint module binding, plus quiet unlock, automatic locking, activity logs and anti‑peep PIN protection. Multiple power options (rechargeable Li‑Ion, AAA, or hard‑wiring) and IPX5 rating make the lock suitable for varied environments.

Suitable for

• Retrofitting an indoor smart lock over existing Euro-profile or certain Scandi cylinders
• Keyless entry using fingerprint, NFC, passcode, RF card, or Apple Home Keys
• Homes and apartments requiring app-based remote control and activity logging

Key specifications

• Model: EL-D02D (Aqara U200 series)
• Access methods: fingerprint, NFC, passcode, RF card, Bluetooth, mechanical key
• Connectivity: Bluetooth, Thread (Matter over Thread supported)
• Power: 7.4 V rechargeable Li‑ion for lock unit (up to ~6 months), AAA for keypad, optional hard‑wiring
• Dimensions (lock unit): width 42.7 mm, depth 33 mm, height 146 mm
• Ingress protection: IPX5
• Operating temperature: -15°C to 66°C
• Security: AES encryption and fingerprint module binding

How to use

Install the U200 by mounting the retrofit unit over the interior side of your existing Euro-profile or compatible Scandi cylinder following the supplied instructions; no drilling is required. Set user access in the Aqara Home app: register fingerprints, add NFC or RF cards, create passcodes and configure Apple Home Keys or Matter integration if applicable. Use the app or local Bluetooth/Thread connection to lock and unlock, manage temporary or periodic passwords and review the activity log. Mechanical key access is available for emergency override.

Recommendations

Verify door and cylinder compatibility before purchase. For Matter integration with Google Assistant or Google Home, use the Aqara Hub M3 where required. Charge the lock unit regularly and keep spare AAA batteries for the keypad. Configure temporary passwords and Do Not Disturb or Passage modes in the Aqara Home app according to your access needs.