1.used for bike, 2.Patent: 200820164981.3 3.CE,ROHS,OEM ... manufaturer, Detailed Description: Item No.: LK215(1.2*65CM) bike alarm cable lock,Patent: 200820164981.3 Can be used on: bike ,scooter, Door ... .4. When replacing battery , open the lock with the key , remove the two screws beside the lock hole , take out the rubber washer ... , please pay attention to the anode and cathode. bike alarm cable lock