1PREMIUM MATERIAL: The shell is crafted from high-quality ABS material, which is resistant to wear and offers excellent insulation properties, ensuring durability over time. 2SELECTED ELECTRONIC PARTS: The electronic components used in the vehicle heater switch are meticulously chosen for their superior conductivity and longevity. 3WIDELY APPLIED: This product is commonly utilized in vehicle heating systems such as automotive heaters, air diesel heaters, and parking heaters. It functions seamlessly in both cars and trucks. 4MULTIFUNCTIONAL SETTINGS: Allows for customizable settings of fuel oil, electricity, and temperature. It also includes manual refueling, timer start/stop, and time setting features for increased flexibility and convenience. 5HIGH SENSITIVITY AND RELIABILITY: Delivers excellent sensitivity and reliability with stable performance. The dimensions are precise, showcasing fine craftsmanship, making it easy to install and use.