1、Applicable Model: The RV slide controller is for Lippert In Wall Slide Out On RV, for V‑Sync II. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 13398‑DO, 13398‑C2. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Efficient and Stable Performance: This dual motor slide controller achieves high efficiency and stability, ensuring stable operation of your slide out system and extending longevity. 4、Rugged and Reliable: This slide controller replacement is designed to withstand even the toughest environment, proven to give you long lasting, trouble free operation on your RV journey. 5、Easy Installation: No need for a professional, the dual synchronous velocity slide controller is simple and straightforward to install, saving your time and effort.