It will bring you convenient when you use the control unitwhen you use this unit with ic door switches,you will like it!The control unit automatically extends and rects the steps when the RV door is opened and closed. Automatically stops the steps if it strikes an obstacle.The ignition override feature is a safety feature that will rect your steps if it senses the ignition of the RV. This way, if you forget to stow your steps, they automatically rect to prevent damage while veling.Used it with ic door switches,take your entryway game up a notch,and e your vel have a better experience.This control unit is designed to be repd on the "IMGL" step units that were manufactured from 2006 to the present.Used to rep Part Number:909510000 379146To be used with ic door switches.Condition: NewManufacturer Part Number: 909510000 379146What steps it can compatible with?This control unit aembly used on steps built on 2006 or after 2006.For the series 22, 23, 24, 26, 28, 30, 31, 32, 33, 36, 37, 38, 39, 42, and 47.repment of this unitWhat type of steps control unit it can be directly rep?Repd on the "IMGL" /9510 step units.Rep # 909510000 #379146 .Notice:Pls e sure this Step Control Unit is compatible before purchase.Material: Metalcolour: As shownPackage Contents:1 x Electric Step Control UnitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.