Features: Experience ice less car surfaces with our electromagnetic molecular interference technology, effectively preventing frosts formation on windshields and mirroring during freezing temperatures. This portable essential oil diffuser seamlessly integrates into any vehicle interior while emitting natural anti freeze vibrations to disrupt ice crystallization. Ideal for car owners, daily commuters, and families in cold climates seeking hassle less winter vehicle maintenance without chemical deicers. Operates effortlessly in parked cars during snowstorms, overnight freezing conditions, or frosty mornings, maintaining clear visibility through continuous ice crystal structure disruption. Enhances your vehicle's ambiances with this two purpose accessory that combines sleek modern design with advanced vehicle ice prevention capabilities for year round protective. Specifications: Component:Plastic Product name: Interference antifreeze instrument Color: black Size: about 5x2.6x1.5 cm/1.97x1.03x0.6inch Applicable models: all models Instructions for use: Fix the instrument in a safe and stable position in the car, turn on the switches to start the device, and the electromagnetic waves released by the instrument can melt ice and snow. Package Includes: 3pcs/4pcs/5pcs/10pcs Ice Prevention Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.