A hinge is a mechanical device that can connect two objects and serves as a fixing device.
A parking lock is a mechanical device installed on the ground to prevent others from occupying a parking space, so it is called a parking lock, also known as a parking lock.
Compared to traditional door locks, smart door locks have a stylish and exquisite appearance, which undoubtedly meets the needs of many people, especially the young consumer group born in the 1990s.
Attention friends who own battery-powered motorcycles, you must lock the rear wheels when locking your motorcycle!
As the name suggests, the wheel lock is locked on the wheel so that the wheel cannot rotate to prevent theft.