【Fitment】The slide controller is for V-Sync II, for Lippert In Wall Slide Out on RV.Replacement for 13398-D0, 13398-C2. Before purchasing, please check compatibility and make sure it meets your vehicle's specifications.【Function】This controller is designed to manage the extension and retraction of RV in-wall slide-out mechanisms, ensuring smooth and synchronized movement.【Restore Slide-Out Functionality】 Our in-wall replacement controller assembly is designed to quickly restore your RV's slide-out functionality, ensuring rapid return to optimal operating condition, minimizing downtime, and getting you back on the road swiftly.【Durability And longevity】Our dual motor synchronous velocity slide controller is made of ABS material, offering excellent weatherproofing, stable performance and durability.【Easy Installation】The circuit board features a plug-and-play design, allowing users to easily install the new board with minimal steps, significantly simplifying the replacement process. Designed for easy installation with clear markings and a user-friendly setup, reducing installation time and effort, suitable for both professional repairs and DIY car owners.