COMA parking space lock is the result of in-depth research and analysis of various application scenarios in the Chinese market. This lock is suitable for parking fees in open venues and shared parking spaces. It adopts an unattended self-service payment method. It is a one-time investment and long-term benefits. There are no loopholes, no dead ends, and simple management. The IoT tablet parking space lock can be used alone or in conjunction with charging piles and shared cars to solve the problem of occupied parking spaces and charging for short charging and long parking.