Features: Features both single key lock operate for quick access and to-lock functionality. Simply press down the button to lock easily and quickly without fumbling for keys. Equipped with a 110dB motion-sensitive alarm that activates when tampering or movement is detected, providing powerful anti-theft protections with flashing LED warning lights. Built-in Type C charging port eliminates the need for battery replacements. Enduring anti-pry design withstands cutting and breaking attempts, providing robust protections for bicycles, electric bikes, and motorcycles. Eye-catching car model styling with integrated LED headlights makes the lock highly visible as a theft deterrents while remaining portable and easy to carry. Specifications: Component: Aluminum Alloy, zincs Alloy, Copper Colors: Black/Red/Silver/Blue/Pink/Yellow Size: about 8x6.7x3.8cm/3.15x2.64x1.5inch Package Includes: 1pc Charging Alarm Disc Brake Lock note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.