Features: Safely reverse solar panel polarity with this compatible adapter, featuring quick connects design and universals fit for most connectors to preventing circuit damage during installations. Crafted from high temperature resistant PVC with corrosions proof insulation, this adapter ensures secure outdoor performances while its built in reverse polarity protecting eliminates short circuit risks. Ideal for owners, solar craft enthusiasts, and installers requiring reliability polarity correction for solar equipment connection. Perfect for troubleshooting reversed wiring in campers solar arrays, marine battery setups, or backyard solar lighting systems to harsh weather conditions. With this maintenance without polarity reversals solution, engineered to withstand Sun exposure and temperature extremes for year round electrical safety. Specifications: Dimension:47x16x8mm/18.5×3.15×6.3in Component:PVC Package Includes: 4pcs Solar panel reverse adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.