Blocking unit Aqara Adjustable Cylinder AL-D04E 30mm width 100mm depth 50mm height

The Aqara Adjustable Cylinder (AL-D04E) is a locking cylinder designed for use with the Aqara Smart Lock U200. It provides adjustable internal and external lengths to suit different door thicknesses and is compatible with major smart home platforms. The cylinder includes installation components and supports an emergency function that allows the door to be unlocked from the outside even if a key is inserted on the inside.

Advantages

The cylinder is specifically matched to the Aqara Smart Lock U200 and supports multiple unlocking methods via integrated smart home platforms such as Apple Home, Google Home, Alexa, SmartThings and Aqara Home. Its adjustable design (internal and external lengths configurable within specified ranges) enables installation on a wide range of standard cylinder locks. The package contains the required adaptor, tools and mounting parts for straightforward installation, while the emergency override feature improves safety in unexpected situations.

Suitable for

• Replacement or upgrade of the cylinder for Aqara Smart Lock U200
• Doors with varying thicknesses requiring adjustable cylinder lengths
• Homes or apartments integrated with Apple Home, Google Home, Alexa, SmartThings or Aqara Home

Key specifications

• Model: Aqara Adjustable Cylinder AL-D04E
• Compatible with: Aqara Smart Lock U200
• Dimensions (from product data): width 30 mm, depth 100 mm, height 50 mm
• Adjustable internal length: 30 mm to 65 mm (as specified in source)
• Adjustable external length: 30 mm to 60 mm (as specified in source)
• MPN: AL-D04E
• EAN: 6975833358519

How to use

Measure the door thickness and adjust the cylinder internal and external lengths to match. Use the supplied Cylinder Adaptor, Hexagon Screwdriver, Extra Stiffener Bar, External Spacer Kit and Slide Bar Kit to secure the cylinder into the door according to the included instructions. Follow the step-by-step installation guide or the provided video to ensure correct mechanical fitment, then pair the cylinder-equipped lock with the Aqara Smart Lock U200 and configure desired smart home integrations and unlocking methods.

Recommendations

Install the cylinder following the manufacturer instructions and verify the emergency function after fitting. Confirm compatibility with your door and smart home platform before installation, and keep the supplied tools and spare spacers for future adjustments.