Are you always worried that your motorcycle or bicycle will be stolen The motorcycle anti-theft alarm gives you no such worries at all. You just need to press the lock cylinder it will enter the working mode, after 15 seconds when the lock body or your motorcycle is subject to vibration it will sound 110dB alarm, each alarm lasts for 10 seconds. If you want to turn off the alarm you can use the key to unlock it or wait 30 seconds, which is very convenient. Strong and Durable Materials: Motorcycle lock is made of strong aluminum alloy material, it has excellent durability, no matter how cut it will not break. It is the perfect guardian of your motorcycle and no thief will succeed! In addition, it can perfectly adapt to various outdoor adjustments, effectively waterproof, moisture-proof, dust-proof and dirt-proof. With it, you can leave your motorcycle anywhere with confidence that it brings you a sense of security. Perfect Size: The dimensions of the motorcycle security lock are 3.54 x 2.75 x 1.53 inches. It is widely used for most popular models such as vehicles with hole disc brakes, motorcycles, mopeds, yachts, microbikes, mountain bikes, electric bikes, etc. Motorcycle disc lock is the best wat to protect your motorcycle from theft, it can scare away all thieves. Widely Used: Anti-theft locks not only protect your motorcycle, but you can use it for other places in your daily life. It is able to effectively prevent theft as long as whatever you want to protect can be locked by it. It keeps thieves away from your belongings. Note: The battery inside the motorcycle brake lock can be used for 4-6 months. When you notice that the alarm becomes short or stops suddenly, it is a reminder that you need to replace the battery. To replace the battery, simply use the small wrench provided to turn out the 4 screws and remove the top cover to replace it.