Is this a Wi-Fi-enabled smart lock?

No. It utilizes the Matter over Thread networking protocol and requires a compatible Matter-and-Thread-enabled smart hub (such as the Aqara M3 Hub) for network integration.

Why is my smart door lock unable to connect to the hub or app?

For Matter-over-Thread devices, ensure: 1) You are using an 2-in-1 Matter Controller & Thread Border Router 2) Your router supports IPv6 3) Your phone and hub are on the same local network during setup. If issues persist, restart your hub and router.

Why does my lock's adapter feel loose and fail to operate properly?

Before installation, ensure the adapter matches your tailpiece shape. An incorrect fit—even if installed—may leave the lock cylinder improperly seated, causing motor failure and operational issues.

Why doesn't the motor inside rotate the knob?

Please ensure the correct adapter is selected from the 9 included sizes and that the lock body is firmly secured to the door using the provided adhesive pads if needed.

How can I confirm if this product fits my door?

To ensure compatibility, please check your lock cylinder thickness, key thickness, and the distance from the cylinder center to the door edge before purchase.

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Specifications

Brand	Aqara
Special Feature	Fingerprint
Lock Type	Biometric
Item dimensions L x W x H	2.44 x 2.36 x 5.98 inches
Material	Polycarbonate
Style	Smart Lock
Color	Silver
Number of Pieces	1
Included Components	Smart Door Lock
Controller Type	Amazon Alexa, SmartThings
Item Weight	1.16 Kilograms
Control Method	App, Touch
Connectivity Protocol	Matter Over Thread, Bluetooth
UPC	192784001608
Model Name	Smart Lock U200
Manufacturer	Lumi United Technology Co., Ltd
Item Weight	2.55 pounds
Product Dimensions	2.44 x 2.36 x 5.98 inches
Item model number	EL-D02E
Batteries	1 Lithium Ion batteries required. (included)
Power Source	Battery Powered
Voltage	1.5 Volts
Installation Method	Self-Adhesive
Special Features	Fingerprint
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion
Average Battery Life	6 months

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