This product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!Unfortunately, the specific technical specifications for the JANDY Pool E0256700 K E256600A 1.8 Universal Interface Control Board are not available in the search results provided. To create an accurate technical specification list, I would need access to the product's official datasheet or manual from Jandy. I recommend contacting Jandy directly or consulting the original product documentation for comprehensive technical details including voltage ratings, compatibility information, dimensions, and functional specifications.