The Bold Smart Cylinder SX33 is a unique and innovative keyless cylinder lock for your door. From now on, you'll never need a key to enter your house or office. It's safe and easy for children, cleaners, or your company with changing personnel. You can grant temporary access to Airbnb guests or the heating engineer via the app.

The Bold Smart Cylinder SX33 is easy to install and digitally secure. You can remotely decide who has access to your home or business and at what time. Enjoy the convenience and security of Bold.

Complete the lock with Bold Connect. Activate the cylinder remotely, adjust settings, and receive real-time pin notifications no matter where you are.

Live a smarter life without the hassle of keys. You can do that!

The Bold Smart Lock is a smart lock that is completely keyless thanks to Bluetooth. Install the lock in no time. Ensure yourself of the safest lock with SKG*** certification. This way, you can easily manage and secure all your possessions, wherever you are.

Unlock a keyless life

To make it even easier, we have developed 'auto-activation'. You don't even have to take your phone out of your pocket because the lock recognizes you when you're at the door. Forgot your phone? No problem. Use the PIN code you've chosen, and you're in.

Size does matter

Choose a Bold Smart Lock that fits your door perfectly. How do you know which one you need? It depends on your current lock. First, measure it. You can do this in a few easy steps:

- Check the screw of your current cylinder on the side of your door.
- Measure the (inside and outside) size of your current cylinder – from the middle of the screw.

For the Bold Smart Lock SX-33, the cylinder measured from the screw to the outside can be a maximum of 45 mm. Check? Now the inside. From the screw, the cylinder can be a maximum of 35 mm when measured inward.

Does it fit? Great! The SX-33 is the right size for your door. If the measurements don't match, choose the size that fits your door here.

Get even Bolder

Activate and deactivate your lock remotely. Bundle your Bold Smart Lock with the Bold Connect so you can easily come and go wherever you want. You have control, even when you're not there.

Technical information

You can take a key off your keyring because with the rise of the smart door lock, house keys have become unnecessary. Curious why more and more people are choosing the comfort and convenience of a smart lock? Today we share 5 reasons why you too should purchase a smart door lock.

1. No more hassle with keys

With a smart door lock, you never have to search for your keys when you're standing at the door with your hands full of groceries. Thanks to the auto-activation functionality, the smart lock unlocks once when your smartphone is within range. You don't even have to take it out! All you have to do is turn the lock and step inside. Simple, right?

Furthermore, the risks of hiding or lending your house key belong to the past. In the app, you can generate codes for desired guests. Think, for example, of the housekeeper who comes by every Thursday morning or the neighbor who comes to water the plants during your vacation. You can easily determine who has access and when.

You also no longer have to stand in front of a closed door because you lost your keys or locked yourself out. With a smart lock, you can always enter, even if your phone is still at the office or out of battery. In the app, you can set up multiple backup codes to manually open the door.

2. Automatic notifications when opening the door

When you open the lock, you automatically receive a notification on your smartphone. Handy if you want to quickly check at night whether your teenager has come home after a night out. Besides that extra convenience, a smart door lock also makes your home safer. If you receive a notification when you're not expecting anyone from your family or a visitor, there may be something suspicious going on.

Would you like to find out what's going on without having to get out of bed? Perhaps smart cameras are the solution. These can be placed both indoors and outdoors, allowing you to see what's happening in and around the house from your smartphone. These cameras have advanced to the point where they only send a notification when a human is detected. So you won't receive notifications for cats walking through your garden or passing cars. In the near future, these cameras will even be able to recognize specific individuals. For more information about smart cameras, visit the website of brands like Ring or Ezviz.

3. Open the smart door lock remotely

With the smart door lock, you can open the front door of your home from your smartphone, regardless of your location. Ideal when you're still putting your groceries on the conveyor belt and your visitors are already at your door. With just one click in the app, you can open your front door. That way, your guests don't have to wait outside, and you don't have to rush home.

Even during the current COVID-19 pandemic, a smart door lock offers a solution. This way, you can safely and at a 1.5-meter distance open the door for guests, a meal delivery person, or a parcel delivery service, regardless of your location. Do you want to check who rang your doorbell from the couch? With a video doorbell, you can see who is at your door. This allows you to decide more easily whether you want to open the door.

4. Increase your family's safety

Did you know that the cylinder is the weakest point of a door? Burglars cleverly exploit this and use various techniques to enter homes. The smart door lock with SKG*** certified cylinder is designed to make it as difficult as possible for burglars. The absence of a physical key also reduces the chance of unwanted guests.

In addition to making your home more secure against break-ins, it also increases the chance of