Features:
relay signal to work
* Red and green light to show pass or stop, leisure to exit and entrance
* The whole system runs smoothly with low noise.
* Arms auto drop when power off , insure unblocked when accident
* Standard electronic interface, remote control through internet which is also could connect variety card readers and receiverelay signal to work
* Red and green light to show pass or stop, leisure to exit and entrance
* The whole system runs smoothly with low noise.