... :1. steady function, sensitive reaction, low noise2.The case shell is made of thickened steel which is shaped by 13 ... process flow. Without fading ,waterproofing, not rusty, durable.3.high sensitive limit switch, pole can be instant turn on and ... 30000 (extendable Blacklist capacity: 10000 (extendable)Card number capacity : 50000 High Quality Car Parking Barrier System,Secure Parking Car Camera TEC-T5