Group of parking lots shares one LED indicator. If the amount of free parking space is more than 1, the indicator will show GREEN. Otherwise, it will turn RED when the amount is less than or equal to 1.
Advantages of KEYTOP wireless PGS:
wireless communication,easy installation and maintenance,low installation cost;
PGS software has two frameworks--B/S and C/S,supporting user to visit anywhere anytime;
advanced chip supports setting data storage to avoid resetting trouble after power off;
ZCU LCD shows detectors' status supporting offline breakdown checking;
wireless ultrasonic detector has two versions: surface mount and hoisting mount supporting different carpark terrains and kinds of parking positions.
