Features: 1.Featuring 4 digits passwords, not easy to decode, which has high security performance. 2.Has a good anti?theft effect, effectively preventing thieves from stealing the helmet. 3.Small size, easy to carry, can be put in a pocket, bag or wrap around the car at will. 4.Wide range of uses, suitable for motorcycles, bicycles, electric vehicles and mountain bikes. 5.Made of premium ABS material, high strength, sturdy and durable, long service life. Specification: Item Type: Helmet Password Lock Material: ABS Scope of Application: Motorcycles, bicycles, electric vehicles, mountain bikes How to Use: 1. Align the original password (0000) with the arrow. 2. Keep the original password unchanged, and turn the lock cylinder 90 as shown in the figure. 3. Set a new password 4. Rotate the lock cylinder in the opposite direction to return it to its original position to complete the setting. PackageList: 1 x Helmet Password Lock Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.