Feature: 1. Efficiently prevents window frost and fog, keeping your car warm in cold weather 2. Harnesses sunlight to maintain heat and freshen air with a rotating diffuser 3. Lightweight design for easy placement and use in cars or small spaces Specification: Name: Portable kinetic energy molecular heater Material: Alloy Color: black, silver, red, blue Applicable scenes: vehicles, living rooms, bathrooms, etc Package includes: 1/2/4 Pcs * Portable Kinetic Molecular Heater Notes: 1. Please allow 0~1 inches error due to manual measurement. Thanks for your understanding 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard