features a one-button lock design for easy use - no key required, simply press the lock cylinder. Perfect for daily commutes or long rides, this anti-theft bike lock delivers excellent performance.Features:This anti-theft bicycle lock features a 4-digit combination, eliminating the worry of lost or forgotten keys. Enjoy your ride with peace of mind.Small size, can easily fit into pockets, car bags, etc., saving space.Suitable for bicycles/motorcycles/electric cars/doors.Equipped with two keys in case you forget. If you forget the password, you can use the key to retrieve it.Comes with a water bottle holder style storage lock holder, convenient for storage and access.The lock piece has been quenched and heat-treated to increase its hardness and strength, effectively resisting external force damage.