1. Prevent damage to the electrical system when welding sheet metal pulses.
2. It can protect the electronic equipment of the vehicle when welding or jumping start.
3. Suitable for 12V/24V system.
4. Polarity protection-reverse connection warning.
5. Designed to be installed across battery terminals to absorb unnecessary surges.
6. LED indicator light: green light on = protection; red light on = no protection. In the absence of protection, an alarm will sound.