The Aqara Smart Lock U200 is a retrofit smart lock that mounts over an existing door cylinder and supports Matter over Thread, Bluetooth 5.1 and NFC. It can be unlocked with Apple Home Key, a fingerprint, a PIN code, an NFC card, the Aqara Home app or a mechanical key, and adds gyroscope auto-lock, a door-ajar reminder and a Quiet Unlock mode. A rechargeable Li-ion battery provides up to 6 months of runtime, and the IPX5 keypad is rated from -15 C to 66 C.
Highlights
- Retrofit design fits over an existing EU mortise or US deadbolt cylinder
- Up to 6 months battery life at about 8 daily fingerprint or NFC unlocks
- Rechargeable 7.4 V Li-ion lock battery; keypad uses 4x AAA or 12-24 V wired power
- IPX5 keypad rated from -15 C to 66 C for outdoor entry doors
- Unlock via Apple Home Key, fingerprint, PIN, NFC card, app or mechanical key
- Matter certified (CSA25547MAT46233-24); Thread and Bluetooth 5.1, no Wi-Fi
Technical parameters
Locking
| Lock mechanism | Retrofit lock operating the existing cylinder; EU mortise and US single-cylinder deadbolt compatible |
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| Cylinder compatibility | Euro profile and select Scandi cylinders with Emergency Function |
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| Backset (US deadbolt) | 2-3/8 in (60 mm) and 2-3/4 in (70 mm) |
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| Auto-lock | Built-in gyroscope detects door closure and locks automatically |
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| Failed-attempt lockout | Password input disabled for 30 minutes after 10 incorrect attempts |
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Access Control
| Unlock methods | Apple Home Key, fingerprint, PIN, NFC card, Aqara Home app, mechanical key |
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| Temporary passwords | Offline one-time and periodic passwords for guests |
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| PIN code length | 6-10 characters |
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Connectivity
| Wireless protocol | Matter over Thread (no Wi-Fi support) |
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| Connectivity | Thread, Bluetooth 5.1, NFC |
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| Compatible platforms | Aqara Home, Apple Home, Alexa, Google Home, SmartThings, IFTTT |
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| Matter certification | Matter 1.2, Certificate ID CSA25547MAT46233-24, certified 2025-07-25 |
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Power
| Door lock battery | Aqara Rechargeable Li-ion Battery 7.4 V, or 4x LR6 1.5 V |
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| Keypad power | 4x AAA 1.5 V, or 12-24 V AC 0.5 A, or 12-24 V DC 0.5 A |
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| Battery life | Up to 6 months at up to 8 daily fingerprint or NFC unlocks |
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Environment
| Operating temperature | -15 C to 66 C (5 F to 150.8 F) |
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| Operating humidity | 0 to 93% RH, no condensation |
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| IP rating (keypad) | IPX5 |
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Physical
| Keypad dimensions | 42.7 x 33 x 146 mm |
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| Door lock dimensions | 62.3 x 60.6 x 152.5 mm |
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| Colour | Black / Silver |
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Security
| Encryption and tamper protection | AES encryption, fingerprint module binding and Tamper Alert notifications |
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| Declared support period | At least 5 years from launch day |
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Applications
- Residential main entrance doors with EU mortise or US deadbolt cylinders
- Apartment and condominium entry doors in multi-family buildings
- Short-term rental and Airbnb guest access with temporary PINs
- Home office and studio doors requiring keyless entry
- Serviced apartments and small hotels needing per-guest access codes
- Smart-home retrofits where drilling or cylinder replacement is not permitted
- Accessible entry for residents who cannot easily use a mechanical key
- Property-management portfolios needing remote lock status and guest codes
Manufacturer
Lumi United Technology Co., Ltd. (Aqara), Shenzhen · https://www.aqara.com
Aqara is the smart-home brand of Lumi United Technology Co., Ltd., founded in Shenzhen in 2009. It builds an IoT ecosystem of hubs, sensors, door locks, cameras, lighting and curtain controllers compatible with Apple Home, Matter, Amazon Alexa, Google Home and SmartThings. Aqara states that as of 31 December 2025 its portfolio covered 50+ product categories and 2,200+ SKUs, with more than 56 million activated devices across 90+ countries and regions.
Sources
- https://eu.aqara.com/products/aqara-smart-lock-u200
- https://www.aqara.com/en/u200-installation-methods/
- https://csa-iot.org/csa_product/smart-lock-u200/
- https://fccid.io/2AKIT-ELD02