Safe and Durable: Made with high-quality materials and advanced safety features, this car heater and defogger is built to last and keep you safe on the road. Compact and Portable Design: The compact size and lightweight design make it easy to take with you on the go, so you can use it in multiple vehicles or store it when not in use. Easy Plug-in Cigarette Lighter Socket: Simply plug the car heater and defogger into your vehicle's cigarette lighter socket for quick and easy use. Heating and Cooling: The plug in car heater has 2 setting modes: heating and cooling. The heating device can not only remove the frost and defogger on the windshield by quickly heating the air, but also use it as a fan to cool the car or purify the air in summer. Fast Heating and Defrosting: This portable car heater and defogger can quickly heat up and defrost your car windshield, saving you time and energy on cold winter mornings.