12-Volt accessories plug into your cigarette lighter socket or wire directly to your truck’s electrical system. Modulate temperature with our selection of heaters, fans, electric blankets and more. Keep apprised of weather and road conditions with our compasses and thermometers. You can even wire in more 12-volt sockets if you do not have enough outlets in your cab. If you don't see exactly what you need, contact one of our product specialists at (888) 918-8150, or email@example.com, and we will be glad to find the part you are looking for.