Features: Marine motorhome battery disconnect switches prevents current leakage with its rotary knob design, ensuring secure power cutoff for boats during extended docking periods while maintaining battery integrity. Crafted from premium corrosions resistant copper, this marine grade switches delivers superior conductivity and durability in harsh saltwater environments for long lasting electrical systems performances. Ideal for diyer boat owners and small marine vessel operators, its tool less installation simplifies circuit management without requiring professional electrical expertise. Perfect for seasonal boat storage or safeguarding yachts/sailboats during mooring, it effectively prevents battery drain while accommodating various marine electrical configurations. Tested for marine safety compliance, this versatile battery cutoff switches provides reliabled current control across recreational boats and motorhome, optimizing onboard power conservation. Specifications: Component: copper Size: Approx.8.6x4.3cm/3.39x1.69inch Knob design, easy to operate Package Includes: Marine motorhome anti-leakage knob-type battery power-off switches × 1 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.