Smart Lock- This smart code lock can be locked and unlocked by password or remote control without a key, which is very convenient. The remote control can control multiple locks of the same model or similar lock at the same time. Sensitive Alarm- This electronic lock is very sensitive. The alarm can be triggered instantly not only when the lock is shaken or moved, but also when the rope is cut or the locking screw is removed. If you enter the wrong password three times, the alarm will be activated and the alarm sound will reach 115 decibels or more. High Security - The password can be four digits and a password combination of up to 256 groups. You must remember the password after you set it. Otherwise, once you enter the wrong password three times, the lock will automatically open the alarm. Anti-theft Protection - With a waterproof and dustproof rating of IP55, it is suitable for indoor and outdoor use. The operating temperature range is - 10 and 60 C. With this lock you can protect your bike or motorcycle from theft in any weather.