Dual Power Options – 12V and 24V Car Heater for BMW 3er M3 E90 E91 E92 E93 F30 F31 F34 F35 F80 This unit is available in 12V and 24V versions, making it suitable for cars, trucks, and SUVs. Simply select the correct option for your vehicle. As a portable car heater, it provides reliable heating or cooling to ensure yearround comfort for drivers and passengers. 2in1 Heating and Cooling Function Designed as a portable heater for the car, this unit delivers both warm and cool air instantly. Use it as a car defroster windshield heater in winter to melt frost, or as a mini fan in summer to reduce cabin heat. The heater offers flexibility for all weather conditions. Compact and Portable Design Small but powerful, this heater is easy to store and won't block your view while driving. The portable car heater features a 360degree adjustable base, allowing airflow direction to be tailored for maximum comfort. A spacesaving solution among car heaters for vehicles. Fast Heating and Effective Defrosting Built with advanced PTC elements, this car heater provides rapid heating in seconds. It works as a strong windshield defroster, quickly clearing fog or ice to ensure safer driving visibility. Unlike waiting for engine warmup, this car heater delivers instant results.