photoelectric beam sensor relaible quanlity and competitive price used for coil doors, garage doors securitrity Detailed product descriptionphotoelectric beam sensor single beam detector used for coil doors,garage doors secuirity .when it comes to keeping...

photoelectric single beam detector infrared sensor photoelectric switch for coil doord ,automatic garage doors secuit photoelectric single beam detector /infrared sensor/photoelectric switch used for coil doors ,automatic garage doors...

wireless alarm Support Contact ID to transmit alarm information to CMS High siren is optical ,also it can be set silent .   Detailed Product Description       Support Contact ID to transmit alarmn information to CMS  High...

photoelectric beam sensor relaible quanlity and competitive price used for coil doors, garage doors securitrity Detailed product descriptionphotoelectric beam sensor single beam detector used for coil doors,garage doors secuirity .when it comes to keeping...

wireless alarm Support Contact ID to transmit alarm information to CMS High siren is optical ,also it can be set silent .   Detailed Product Description       Support Contact ID to transmit alarmn information to CMS  High...

Wireless Intelligent Direction Recognition Curtain Style Detector with Built-in Big Capacity Battery Adopts self-designed MASK chip with DMT technology Adopts curtain FRESNEL lens with intrusion direction recognition function Embedded or ceiling mountable,...