Motorcycle Alarm Lock Anti-theft Reminder Bike Disc Brake Lock Loud Warning Security Alarm Protection for E-Bike Bicycle Scooter Feature: 1. Waterproof: The disc lock can be used even on rainy days. 2. Keyless Locking: Press to lock, making it more convenient to use. High decibel alarm to prevent motorcycle/bike theft. 3. Large Capacity Battery: With 6 x button battery, long endurance. 4. Universal: Security anti-theft lock universal for motorcycle, road bikes, mountain bikes, electric scooter. 5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. Specification: Material: Alloy Product colors: black, red, yellow, blue, orange (optional) Product size: about 90x68x33mm/3.54x2.67x1.29inch Net weight of product: about 282g Battery: 6 * button battery(not included Lock pin: 0.7cm Decibel alarm: 110dB Batteries: 6pcs LR44 batteries required (included) Applicable aperture: greater than 7 millimeters Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Package imcludes: 1 x bicycle lock 2 x keys