Please note that your door has to meet the following requirements:

• Door Frame/Material: Wooden and steel doors
• Cross bore diameter: 38mm to 54mm
• Backset (distance between the center of the cross borehole and the edge of the door): 60mm or 70mm
• Diameter of door hole: 25mm
• Door thickness: 35mm to 55mm
• Location of handle-set or bored deadlatch: >45mm from the cross borehole. Please pay attention to the outer dimension.

If you have any further questions regarding the Smart Lock C30, please don't hesitate to contact us for assistance.