The ActionHeat 5V battery heated seat cushion is the ultimate portable heated seat. Featuring an extra-large heating panel strategically placed to keep you warm for up to 5+ hours. With a hidden, waterproof battery pocket and touch-button control, you have 3 heat settings ranging from 130F to 90F.Estimated Heating Times:High (Red): 130F – 2+ Hours.Medium (White): 110F - 3+ Hours.Low (Blue): 90F – 5+ Hours