Trava de freio a disco alarme liga de alumínio segurança anti-roubo acessórios para motocicletas e bicicletas

Motorcycle Bicycle Lock Alarm Security Protection Padlock Aluminum Alloy Anti-theft Reminder Rope Lock Bag Motorcycle Accessories Features: -Universal security anti-theft lock suitable for motorcycles, scooters, bicycles, etc. -Works by locking disc brakes. -It is easy and convenient to operate.Click on the lock cylinder to lock it. -Warning reminder function.If someone knocks on the lock, it will sound an alarm. Instructions for use: Press the lock cylinder, and the lock will lock up. You will hear the sound of DU, indicating that it has entered an alarm state. After 5 seconds, if the lock or vehicle vibrates, the lock will emit an alarm sound DU DU DU three times. If the lock vibrates again, it will alarm after 5 seconds and continuously vibrate to alarm. Each alarm lasts for 10 seconds, which takes 5 seconds for the owner to unlock. If the lock cannot be opened, an alarm will be emitted.Open the lock with the key and the alarm will stop immediately. Battery Replacement: ​When you hear a continuous clicking sound or the alarm stops immediately after less than 10 seconds, it indicates that the battery is about to run out and needs to be replaced.Please use the wrench provided to unscrew the four screws, remove the top cover, and replace the battery.Please pay attention to the positive + and negative -. Package Contents List: Alarm Lock Body Keys *2 Hexagonal Screw