Features: Experience optimally warmth with our double voltage parking heater circuit controller, designed to support both 12V and 24V systems, ensuring compatibility with a wide range of vehicles including cars, and large transport trucks. Featuring a high efficiency heating system, this controller accelerates the heating process, providing a cozy interior environment even in extreme climates, thanks to its robusts overload protection and durability high temperature materials. Ideal for long distance drivers, trucker, outdoor enthusiasts, and heavy machinery operators who require reliable heating solution during cold weather conditions to maintain comfort and safety. Perfect for winter driving, camping trips, truck stop breaks, and construction sites, this controller ensures your vehicle's interior remain warm, enhancing passenger comfort and operational efficiency. With its compacts and modern design, the intelligent control system optimizes energy use and reduces fuel consumption, making it essential component for anyone needing efficient and safe vehicle heating. Specifications: Component:Plastic Voltage:12V/24V Temperature range: -40℃~40℃ For 12V/24V,2KW/3KW/5KW/8KW Air parking heater Package Includes: 1pcs Heater Control Board 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 coloring of the item. Thanks for your understandings.