1. Dustproof and waterproof.
2. Protect the sound power amplifier and power.
3. Using a new buckle design opening and closing more convenient.
4. Surface gold plating reduce oxidation.
5. Comes with 3 fuses for protecting your car's audio system.
6. Cuts off the power automatically when the current is too strong.
7. Can be used for car auto audio amplifier or other electrical equipment.
8. Suitable for car boat or other vehicles use.