ZKBioBT is a creative APP for Android platform which allows you to unlock door and manage users by mobile phone Features •Door unlocking -With ZKBioBT App, your mobile phone is your key •User management -Delete separate users or all users -Edit user information including name, ID and privileges •Lock transaction check •Flexible open-door duration setting Supported Device Models ML10B,PL10B,ML10DB,PL10DB •Please enabled with Bluetooth & Location while using this app.