[APPLICATION]: SAE to SAE adapter connectors applied on 12V/24V DC systems. Compatible with all kinds of SAE quick connection/ disconnection extension cable plugs [CONVENIENT]: Saves rewiring work when using the wrong polarity in DC Accessories. Makes it easy to connect different devices. [EASY TO USE]: Solid Plug-in, no wires to get in the way. Straight, and compact to switch poles. Set up and disassemble easily. Provide a simple solution for polarity reversal. [WIDE COMPATIBLE]: These are heavy-duty SAE connectors, perfect for accessory usage, battery charging polarity change, battery testing. Fit for solar panel projects, electrical wiring projects, cars, motorcycles, light aircraft, and industrial equipment. [WHAT YOU WILL GET]: 2 * Reverse Adapter Connectors √; 18 months warranty √; 24 hours passionate customer service √; 30 days freely return and exchange √. Any questions, please feel free to contact us first, we will support you with the best customer service.