【Premium Quality】This battery disconnect switch is made of durable ABS+metal, sturdy, anti-aging and abrasion resistant to ensure maximum strength and durability for a long service life. 【Waterproof Cover】Waterproof Cover on the top to better protect the keyhole. Professional features, high reliability. Compact size, modern and elegant appearance, easy to install. 【Disconnect battery safely】This battery disconnect switch can eliminate all power consumption from the battery when the vehicle or boat is not in use, safely disconnect the battery. 2 positions: ON and OFF 【Battery disconnect switch】They are offered as a main battery disconnect switch, rated for 150 A intermittent, 100 A continuous at max. 32 VDC; Crank power: 500 amps 5 seconds; Contact resistance: 50m ohm max. Insulation resistance: DC 500V, 100M ohm min. 【Wide application and warranty】The waterproof battery disconnect switch is perfect for cars, ATVs, trucks, motorcycles, yachts, boats, etc.< /p>