Portable Car Heater, 12V / 24V Fast Heating Quickly Defogger Demister Heat Cooling Fan, Auto Dryer Windshield DefrosterEasily switch between hot air or cooling fan, this car heater is ideal for defrosting or defogging window glass and windshield, or can be used as a fan to cool you down in summer.The upgraded car heater can also play a role in purifying the air in the car.Specification Name: Car heater Product weight: 365g Product color: Red Black/Black Grey Product voltage: 12V/24V Product size: 11157.5cm/4.335.912.95inchesFunction: Defrost and snow demister, heating in carTip: Since the heater power is 150W, the power of your car's cigarette lighter must be greater than 200W.Purchase options A: Red Black 12V B: Black Grey 12V C: Red Black 24V D: Black Grey 24V E: Red Black 12V Upgraded Purify F: Black Grey 12V Upgraded Purify