ULOCK requires no keys to be used: you can lock and unlock it with just one tap on your smartphone or let it take care of everything for you. It connects with your smartphone through Bluetooth 4.0 Low Energy and a custom app. ULOCK locates on your map the place where you locked and parked your bike! You can even share its position with your friends to let them use it. ULOCK components are first-class, water resistant and made to last years. The lock has successfully endured the toughest certified stress tests. The battery is made to last years and warns you when it’s time to change it.ULOCK joins the strength of treated steel and an advanced locking system with the power of your smartphone, creating a technologically superior lock that will easily keep safe your bicycle, scooter, or whatever you lock with it.