1.High QualityOur anti-theft lock is made of high-quality metal, durable, waterproof and rust-proof, and can withstand different weather conditions to help you use it outdoors for a long time2. [Anti-theft alarm lock] The alarm panel lock is equipped with a sensitive alarm device inside the lock. When the alarm panel is positioned, any vibration or impact is sensed to trigger the alarm. The alarm sound can reach 110 decibels, which is safe and reliable.3.Easy to UseThis motorcycle lock is very easy to use, press to lock without key, after unlocking, just press the lock to lock, simple and convenient4. [Widely used] This is a safety and anti-theft disc brake lock, suitable for road bicycles, mountain bikes, electric bicycles, and motorcycles with disc brake disc holes larger than 7 mm.5. [Package Contents] 1 x alarm panel lock (with battery), 2 x keys, 1 x reminder ropeSpecificationAlarm volume: 110dBMaterial: Rust-proof heavy-duty alloyProduct protection: waterproof, high temperature resistant, sealed against moisture, dust and dirt, suitable for outdoor climate conditions.Applicable aperture: greater than or equal to 7mmWeight: approx. 282 gramsBatteries Required: Each alarm panel lock requires 6 button batteriesProduct color: black, red, yellow (optional)packing list1 x alarm panel lock2 keys6 button batteries1*reminder rope