Product Description Material: Brass Dimensions: 1.18 x 0.79 x 0.79 inches Current Rating: 300 amps Voltage: 60 volts Product Weight: 3, 9 ounces Quantity: 1 piece Package Contents: 1 * M10 Car Power Switch 1.Excellent Quality: Rust and corrosion resistant and protect the power supply from leakage and water, durable for safety . Made of copper and a durable plastic, it is waterproof and corrosion-resistant, and has good conductivity and long life. 2.No Worry About Dead Battery: The battery disconnect switch helps isolate and secure the electrical system , to eliminate any current draw from the battery when the vehicle or boat is not in use, safely disconnects the battery. Quickly disconnecting circuits to prevent power leakage and battery loss, and extends battery life. 3.Wide range of applications If you have many car devices installed in your car (such as audio/satellite navigation/TV/etc.), disconnecting the car battery is a good choice for you, as it can effectively prevent leakage. 4.Easy to Install: You can easily install a battery switch in your vehicle without any special tools and only about an hour of your time. And the key is ergonomically designed to fit perfectly on the thumb for easy use. 5.Use to prevent battery drain when storing and repairing car/truck.Provides the most effective way to avoid car theft to cut off the power supply of racing cars and avoid fire. Suitable for automotive electronics, electrical products and all kinds of cars, boats, vans, caravans, motors, etc.