SafeTech's breakthrough design & manufacturing highlights the first Bluetooth + RF/NFC. The “access control” feature allows the user to view the history log and the activity of all users. Replace your current keyed or combination padlocks with a multiple access solution. Open multiple padlocks using Bluetooth 4.0 on your smartphone (iOS & Android) or any Quicklock branded RF/NFC wireless keys. The Padlock is durable, weather resistant and easy to use for all ages. Create easy access by using The Padlock on a gate, garage, storage unit, toolbox, shed, the gym, or your rifle case, to name a few.