You only need one of these to make your winch run. Dont get stuck with a poor qaulity product when you need your winch most! Competitor product solenoids burn out - these will outlast everything. 1. Competition Tested! 2. Available in 12V and 24V 3. Will work with most winches 4. 600A (12V) 400A (24V) 5. Waterproof 6. Will work with wireless remotes 7. 3 Year Warranty 8. Runva steel cover over the solenoid. 9. Pre-mounted cables