Ultraloq U-Bolt Series fit the standard doors with a 2-1/8" (53 mm) diameter borehole. If your door is not prepped with a borehole, you can also use the template in the box as a guide to drill the hole.
For U-Bolt, U-Bolt WiFi and U-Bolt Z-Wave
For U-Bolt Pro, U-Bolt ProWiFi and U-Bolt Pro Z-Wave
U-Bolt
U-Bolt Pro
U-Bolt WiFi
U-Bolt Pro WiFi
U-Bolt Z-Wave
U-Bolt Pro Z-Wave