Level Lock Bolt C-D11U Invisible Smart Level Lock for Use with Standard Deadbolts Satin Chrome

Part Nr: C-D11U


Keyless Entry

Satin Chrome


Adjustable 2-3/8 or 2-3/4 Inches



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Product Summary

Make Your Lock Smart

Introducing Level Lock, the first invisible smart lock – designed to install inside your door in minutes to transform your existing deadbolt. Now you can get all the benefits of a smart lock and still maintain the design integrity of your home. Use your phone to lock and unlock your door, share access, and always know who's coming and going.

Level Lock's quality craftsmanship and design demonstrate a level of detail not found in any other smart lock. Its unique puzzle piece interface ensures a secure fit in your door and its battery is creatively hidden inside the bolt to make the occasional battery change simple.

Level Lock boasts a patent pending, 6-stage, stainless steel gear box that's both powerful enough for the toughest conditions and efficient enough to deliver over a year's worth of battery life from a single CR2 battery. Level Lock exceeds the power and efficiency of other smart locks all within the tiny space inside your door.

Engineered from the ground up for strength and durability, Level Lock exceeds the highest industry standards and is stress-tested to over 1,000,000 cycles. Its mechanical operation is 100% available for reliable egress, never leaving you stranded.


Homes with both iOS and Android Devices:

  • Invitations: Share access with friends and family based on specified time and day
  • Keyless Entry: Use your iOS or Android device as a secure key to lock or unlock your door
  • Auto Lock: Have your door automatically lock based on designated time settings
  • Activity History: Keep track of all activity so you always know who's coming and going
  • Access Anytime: Give access to people when they're at your home and you're not


Apple HomeKit Features (Requires HomeKit™ or HomeKit Hub)

  • Auto Unlock: Use HomeKit™ to have your door automatically unlock as you approach
  • Voice Control: Use Siri® on your iOS device to lock or unlock your door
  • Notifications: Get notified when friends arrive or when it's time to change the battery
  • Remote Entry: Unlock your door from anywhere using your iPhone® or Apple Watch®
  • Automations: Create schedules and routines that automatically run for common tasks


  • Adjustable 2-3/8" or 2-3/4" Backset

How will Level fit in my home?

Level was designed to work with most American standard deadbolts and requires a properly operating door and latch. See our compatibility guide for more information

Product Identifiers

Technical Documents

Instructional Videos

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Level Lock Bolt C-D11U Invisible Smart Level Lock for Use with Standard Deadbolts
Level Lock Bolt C-D11U Invisible Smart Level Lock for Use with Standard Deadbolts
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