【HIGH SECURITY】: The folding bike lock combination is made of PA6 plastic + high-strength alloy steel material, 8 joints with a diameter of 10 mm and a width of 15 mm, which are unbreakable, anti-shear and anti-saw, and suitable for all weather. The folding bike lock has passed the 3.5 m drop test and 500 N tensile test, which can prevent the bicycle from being stolen 【Four-digit password】: The digital code bike lock has a four-digit password, so you don't have to worry about losing the key, making it difficult for others to open your folding lock without a code. The code wheel rotates smoothly and you can hear a "click" sound every time you turn (note: the bicycle lock can only be rotated easily when the password needs to be changed) 【Humanized Design】: The PA6 plastic on the outer layer of the electric scooter protects your bicycle from scratches while protecting the lock body from bad weather and preventing rust and corrosion. The bicycle anti-theft bracket helps you mount and