1、Wide Compatibility: Used as a control unit on IMGL stepper units manufactured since 2006, suitable for Kwikee automatic electric steppers. 2、Part Number: Step control module replace part number is 909510000 for reference. Please double check the part number of your item to ensure perfect fit. 3、Main Function: Used to control an automatic retractable RV door step by a switch and to automatically stop the step when it encounters an obstacle. 4、High Performance: This electric step controller integrates perfectly with the existing hardware and offers high stability and performance over time. 5、Simple Installation: The installation is simple, direct replacement for the old or broken one, no modification is required, convenient for using.