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.
