Features: The battery disconnect switch is suitable for cars, off-road vehicles, trucks, motorcycles, ships, etc. Made of ABS and metal materials, strong and durable. It only takes a few minutes to install and wire, and it is easy to use. Test before shipment to ensure that the product is perfect, stable and durable. The battery switch can protect the power supply and safely prevent leakage. When the vehicle is not in use, it can eliminate the power consumption of the battery. Switch to OUT, you can remove the red cover equivalent to a key. Effectively prevent others from changing the wiring by mistake, and the terminals on the back are fully insulated to prevent short circuits. Package Includes:1x Battery Disconnect Switch Specifications: Material: ABS Size: installation aperture 29mm Type: 100A note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.