Vehicle loop detectors are used for detecting vehicles when cars are on or pass the special area of the roadway.For example, they can monitor and safe-guard access ways or count the vehicles. And the output signal can be used for controlling door and... - Update: 2009-09-16

Features: 1) Send out OPEN switch signal when the card is read 2) After delaying for 17 seconds, send out STOP switch signal. 3) After delaying for 27 seconds, send out CLOSE switch signal. 4) Can store 2,500 IC card IDs maximum Functions: 1... - Update: 2009-09-16

Turnstiles, little noise and no mechanical impact, self-check and alarm, Several ways of working - Update: 2009-09-16