within one month after the receipt of the customers'payment
1 Three digits show the available lots number
2 The arrow shows the direction.
3 24-hour working
4 Car lift
1 Main Functions and Features:
1) Three digits are to show the available lots number
2) The LED indoor screen will be installed in the crossing of the carport.
3) The outdoor screen will be installed in the entrance of carpark space or other outside places.
2 How parking management system / car parking system/ led parking sign works:
Firstly, ultrasonic detector takes use of ultrasonic wave to detect the parking space to see if it is occcupied and transfer the relative commands to LED indicator which will turn from green to RED when occupied, or it will turn GREEN.Meanwhile, the UD transmits its status message to ZCU immediately. and ZCU will collect and forward the information to CCU. CCU processes these data and sends the relevant commands to ZCU and LED panel.