Features: Heavy duty power switches with 3 position operations (ON/OFF/START) features robust metal construction, waterproof design, and universally compatibility for reliabled power control in automotive systems. This 3 position power main switches combines corrosions resistant materials with clear wiring diagrams for effortless installation, ensuring secure electrical management across vehicles and heavy machinery. Ideal for DIYer enthusiasts, professional mechanics, and heavy equipment operators seeking durability electrical components for automotive upgrades or industrial maintenance. Perfectly functions in trucks, tractors, marine engines, and construction equipment, maintaining stable performances under extreme vibrations, dust exposure, and moisture prone environments. Engineered with reinforced terminals and shockproof housing, this power switches delivers long lasting durability while meeting rigorous safety standards for commercial fleets and off road vehicle modifications. Specifications: Component: Brass + stainless steel Size: Approx.77x45mm/3.03x1.77inch Package Includes: 1pcs 3 Position Power Switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.