Hy5B Installation Instructions March 06, 2020 16:14 Updated Hy5B Vehicle Detector: MX4125 InstallInstructions_Accessory_Hy5B_D0797.pdf 900 KB Download Related articles Hy5B 2.0 Installation Instructions Hy5B User Guide Hy5A Installation Instructions Hy5B Vehicle Detector Spec Sheet Troubleshooting Error Code Flowcharts for STC controller