High-quality Materials: This car power disconnect switch is made of high quality materials and has excellent waterproof resistance. The dimensions of this car power disconnect switch are 2.20In x 4.25In, and it comes with a hex nut that fits your thumb perfectly and is easy to use. Knob Switch: This car power disconnect switch can directly control the status of the switch through the knob, which is simple and convenient. This car power disconnect switch uses a waterproof cover on the top to reduce the risk of water leakage. Parameter Details: This car power disconnect switch can be used normally in the temperature range of minus 40 degrees Celsius to 80 degrees Celsius. This car power disconnect switch has an anti-theft feature, reducing the risk of loss. Package List: After purchase, you will receive 1 x car power disconnect switch, 2 x keys, 1 x waterproof cover, 4 x copper ring terminals and 4 x heat shrink tubes. At the bottom of the switch, a metal fixing post is used for easy and quick installation. Widely Used: This car power disconnect switch is a universal car accessory, suitable for most cars, SUVs, trucks, etc. This car power disconnect switch provides direct access to your car's plumbing system. If you are not good at installation, please professional maintenance personnel. Material: PVC+brass Color: as shown The product is slightly different and does not affect use Package Contents: 1 set Car Power Disconnect Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.