The keyless chain lock with built-in alarm

Protect your belongings with next-level security has never been this easy.

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Truly the next generation of locks

A chain lock designed by thinking out-of-the-box. Without restrictions.

A keyless experience

Open the lock with a press of the button, when your phone is nearby. Your phone is your key.

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Intelligent alarm

Press the button twice to arm the alarm. When movement or tampering is detected, a warning sound will be heard. If ignored, the full 100db alarm will be triggered.

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Don’t be fooled by its soft outside

With a lock body designed to withstand the harshest conditions and attacks, the TMD Chain Lock is like nothing else.

Soft silicone cover

The soft exterior of the lock body keeps whatever you tie it around scratch-free.

Hardened steel enclosure

All the electronics are protected by a steel hardend enclosure within the Lock body.

Luxury & security in a sleeve

The sleeve sets a new standard with its beautiful design and luxury feel, while using innovative materials for unparalleled protection.

Dyneema & kevlar

The unique multi-layered sleeve with dyneema and kevlar make it both cut and fire resistant.

Hardend steel chain

You can barely feel the steel chain. But it really is there.

Double braided polyester

By double braiding the polyester outer layer, it is very durable and much less prone to looping.

Designed to withstand powerful attacks

Every component has been engineered to stop attackers. From resistinghigh-velocity impacts to sophisticated electronic attacks, the TMD Chain Lock is nearly unbeatable.

Built to last

The TMD Chain Lock goes beyond just security and usability, by offering incredible durability too.
It is engineered to perform in the harshest conditions.

Water resistant

Rain, snow, and even mud will not get in the way of the lock’s reliability.

Temperatureresistant

No matter whether it is very hot or cold outside, the lock will always function.

Shockresistant

Both the lock body and sleeve are made to be used in the sun, without losing strength nor color.

A simple - yet powerful - mobile app

Everything you need to get the most out of your lock in one app.
Whether you want to control the lock remotely or give others access to it, it is all possible.

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