110dB Smart Waterproof Password Bicycle Lock Theft Protection Alarm Lock Batteries Not Included . BICYCLE PROTECTION ALARM ANTI-THEFT LOCK BLACK Characteristic: 1. Alarm immediately after shaking or moving the lock. 2. Alarm immediately when cutting lin steel or removing safety screws. 3. Alert immediately if you enter your password incorrectly three times. 4. The alarm sound has a power of over 110 decibels, which can effectively scare away thieves. 5. Four-digit passwords with 256 groups of password combinations. . BICYCLE PROTECTION ALARM ANTI-THEFT LOCK BLACK Specification: Battery life: standby mode, about 8 months or more Wire rope size: diameter 10 mm, length 80 cm Operating temperature: -20 60 Storage temperature: -30 80 Size: approx. 9,2 x 5,5 x 3,4 cm/3,6 x 2,2 x 1,3 inches Package Weight: 292 g/10,3 inch . BICYCLE PROTECTION ALARM ANTI-THEFT LOCK BLACK List of packages: 1 x lock (battery not included) 1 x User Manual . BICYCLE PROTECTION ALARM ANTI-THEFT LOCK BLACK