Put access control in the palm of your hand. Unlock your lock, share access with guests, & moniitor activity - all with one easy-to-use app.
Different models are available, for indoor use and outdoor.

No network access necessary - locks are opened by Bluetooth

No keys or combination to remember

Share access remotely via the Free App Master Lock VaultTM - delete or give access to new people at any time from anywhere

Requires 1 button cell battery included
 
Dimensions:

Indoor
Height: 50mm
Depth: 27mm
Width: 47mm
Inner Shackle: 22mm

Outdoor
Height: 74mm
Depth: 27mm
Width: 56mm
Inner Shackle: 51mm