Sound: Quiet to avoid disturbance. Portable: Hot or cold air in an instant, no matter where you are. Car heater: Get an electric warmer. 12V/24V heater: Use in the car for warmth, or to de-mist and defrost. Cord length: 1.4m. Dimensions: 15 x 11 x 7.5 cm. | 4 in 1 Windshield Defroster & Portable Heater | Wowcher