The maximum temperature 65°C, constant temperature: 40±5°C. There is a 65°C thermostat inside the cover to protect against overheating. Don't need to worry about the heat problem. This sweet 12 volt electrical blanket plugs into a car, truck, SUV or RV cigarette lighter. Heats up quickly and stays hot until you unplug it. Equipped with a 96 inch long cord, even rear seat passengers can stay comfortable road trips in cool weather with this heated fleece throw. This lightweight auto blanket has thin yarn that still gives the warmth snug and cozy. Blanket folds easily and can therefore be stored in a car trunk or in the back seat without taking up too much space. This travel throw is the perfect cold weather accessory! Ideal for vehicle emergency kits, camping and tailgating, it's a thoughtful gift for friends and family this winter season.