【Advanced Security】 - This smart alarm lock is designed to provide unbeatable protection for your bike and gate. As soon as someone attempts to cut the steel rope or tamper with the lock, it will sound a loud alarm exceeding 110 decibels. This feature ensures that potential thieves are deterred immediately, providing you with peace of mind while your belongings are secure. 【Multi-Layer Protection】 - With a four-digit password system that allows for 256 different combinations, you can rest assured that unauthorized access is virtually impossible. Additionally, the lock calls the police​ if the password is mistyped three times, adding an extra layer of safety that gives you confidence in your security measures. 【Versatile & Practical】 - This smart lock not only secures your valuables but also features a wire rope that can be employed as a defensive whip. Measuring 10 mm in diameter and 80 cm in length, the wire rope allows you to protect yourself in case of emergencies while ensuring that your belongings remain secured. 【Durable & Weather-Resistant】 - Crafted for both indoor and outdoor use, this lock is IP44 water proof certified and operates efficiently in temperatures ranging from -20 to +60℃. It stands up to the elements, ensuring long-lasting performance, even in challenging weather conditions, so you can rely on it wherever you go. 【User-Friendly Design】 - Forget the hassle of keys with this lock's easy one-button lock/unlock operation. It runs on three AAA batteries (not included) that provide up to eight months of standby time, and its low-power indication feature keeps you informed. This practicality ensures that you can easily safe guard your belongings without any technical difficulties., Weight: 0.661386786 pounds, Manufacturer: Sonew