Dual Power Options 12V & 24V Car heater for Opel Vauxhall Astra 5Door and Astra 3Door models from 1995 to 2025. Available in 12V and 24V versions to suit cars, trucks, and SUVs. Select the correct option for your vehicle. This portable car heater provides reliable heating or cooling for year round comfort for drivers and passengers. 2in1 Heating and Cooling Function Delivers both warm and cool air instantly. In winter, use as a windshield defroster to melt frost and clear fog. In summer, use as a compact fan to reduce cabin heat. Flexible performance suitable for all weather conditions. Compact and Portable Design Small but powerful, easy to store and will not obstruct your view while driving. Features a 360 degree adjustable base to tailor airflow direction for maximum comfort. A space saving solution among car heaters for various vehicles. Fast Heating and Effective Defrosting Built with advanced PTC elements for rapid heating in seconds. Acts as a strong windshield defroster to quickly clear fog or ice for safer driving visibility. Delivers instant results without waiting for engine warmup. 23 Use Scenarios Winter mornings: quickly defrost and warm the cabin while you prepare to drive, improving visibility and comfort. Summer commutes: cool the cabin rapidly to maintain a comfortable temperature during hot days. Fleet or multivehicle use: suitable for cars, trucks, and SUVs, easy to swap to the correct voltage option as needed.