This food warmer supports 12V, 24V, and 110V power sources for versatile use. It features automatic temperature control to prevent overheating and ensure even cooking. It can reheat leftovers and cook raw food, functioning as a slow cooker. Price drops from $39.99 to $37.99 to $18.99 when you apply the coupon code "PJDWX6DS" at checkout. Free shipping for Prime members or on orders over $35.