Having slide-out troubles in your RV? This 13398-DO Dual Synchronous Velocity Slide Controller is here to fix that! It's a direct, fully compatible replacement for the Lippert V-Sync II controller used in many RV in-wall slide-out systems. Just connect the wires one by one – no cutting or welding – and your slide should be back in action fast. It controls two motors in sync, plus it's got built-in protection against overvoltage, undervoltage, and overcurrent to help prevent motor damage. Basically, it gives you the same (or better) functionality as the original but usually at a lower cost. Perfect for restoring smooth, reliable slide operation so you can get back to enjoying your RV life. Compatible with Lippert dual motor slide-outs. An essential fix for RV owners wanting a straightforward, money-saving repair.