Mechanical Combination Lock Keyless Sliding Door 1-11 Digit Code Zinc Alloy

🔒 Mechanical Combination Door Lock

Keyless Sliding Door Security, No Batteries Needed

FeaturesNo Power Needed

Fully mechanical coded lock, no batteries or wiring required, ideal for reliable everyday use.

Durable Zinc Alloy Build

Chrome-plated zinc alloy shell resists wear, corrosion, and daily damage.

Flexible Code Entry

Set a custom 1-11 digit non-repeating code. Digits can be entered in any order for quick unlocking.

Easy Reset

Entered the wrong code? Press C to reset, then re-enter the correct combination to unlock.

SpecificationsItem TypeMechanical Coded LockShell MaterialZinc Alloy, Chrome-PlatedPassword Length1-11 Digits (Non-Repeated)Suitable Door ThicknessApprox. 10-60mm / 0.4-2.4inBolt Center DistanceApprox. 20mm / 0.8inPower SourceNone Required (Mechanical)Package Contents

1x Front Panel
1x Rear Panel
1x Screw Pack
1x Installation Accessory Pack
2x Rubber Pads
1x Instruction Manual

Ideal Use

🚪 Suitable for kitchen and balcony sliding doors, office doors, interior doors, rental doors, and composite doors, anywhere a traditional key isn\'t practical.

Product ImagesFAQQ: Does it need batteries?

A: No, this is a fully mechanical combination lock with no power source required.

Q: What door thickness does it fit?

A: It fits doors approximately 10-60mm (0.4-2.4in) thick. Please measure your door before ordering.

Q: Can I change the code after installation?

A: Yes, you can set a new 1-11 digit non-repeating combination at any time.

Q: What if I enter the wrong code?

A: Simply press the C key to reset, then enter the correct code to unlock.