2 in 1: Heating and cooling 2 in 1 car heater fan, easy to switch, keep cool in summer and warm in winter; Compact and small in size, will not block the driving sight.Defrost Defogger: Windshield defroster demister, fast heating, defogging, and defrosting, quickly removes the frost and fog from the windshields, providing a clear driving visionEasy to Use: Automobile interior heater, easy to operate and switch, plug and play; Self sticky installation(Note: Before installation, the dust on the surface to be placed should be cleaned and kept dry, and then pasted to make it firm)Premium Material: Car heating fan, high heat conversion rate, and fast heating, Premium PP shelling, high temperature resistant, sturdy, and ensures a long time to useWide Application: Practical automobile windscreen fan, essential accessories for car travel and camping; Widely used in 12V cars such as sedans, SUVs, cabs, trucks, etc, effectively keeps the windshield clean and prevents fog or frost from blurring Size Chart: 12cmx12cmx7cm/4.72inchx4.72inchx2.76inch Package Includes: 1 Car Heater Fan, 1Instruction Manual