Welock’s European smart lock is currently only compatible with Euro Profile Cylinders. Therefore, it is necessary for both sides of your door to have European lock core holes in order to use Welock smart lock. It is not compatible with Knob Cylinders, UK Oval Cylinders, or Swiss Round Cylinders. If you are unsure whether your lock cylinder is compatible with Welock, please contact us for confirmation.

Euro Profile Cylinders are commonly used in Europe and are known for their high security and durability. They are also easy to replace, making them a popular choice for homeowners and businesses alike. Welock’s European smart lock is designed to work seamlessly with Euro Profile Cylinders, providing a secure and convenient way to access your home or office.
We have adapted our Welock smart locks to fit various types of doors in order to provide more people with the security and convenience of our products. Below are some of our models and installation requirements.
| Model | Lock cylinder type | Adapted door thickness | Distance between the lock hole center and the door frame. |
| Touch41 | Euro Profile Cylinders | 50-100mm | ≥40mm |
| Touch45 | Euro Profile Cylinders | 30-70mm | ≥40mm |
| SECBR | Euro Profile Cylinders | 50-100mm | ≥40mm |
| PCB41 | Euro Profile Cylinders | 50-100mm | ≥40mm |
| PCB45 | Euro Profile Cylinders | 30-70mm | ≥40mm |
| SBR | Euro Profile Cylinders | 50-100mm | ≥40mm |
| PCB28 | Euro Profile Cylinders | 30-60mm | ≥40mm |
If you are considering purchasing a Welock smart lock and are unsure whether your lock cylinder is compatible, please reach out to us for confirmation. We are committed to providing our customers with the best possible experience and want to ensure that our products are a perfect fit for your needs.
Smart Lock Touch41
Smart Lock SECBR
Smart Lock SBR
Smart Lock PCB41
Smart Lock PCB28
Smart Lock Touch43
Smart Lock PCB43
Smart Lock Konb 32
Smart Lock PCB33
Smart Lock Deadbolt PCB34
Smart Lock WIFIBOX2
WELOCK RFID card