Diesel Air Parking Heater
https://www.lkcool.net/product/diesel-heater-for-vehicles/diesel-air-parking-heater-for-rv-truck-car.html
Installation is straightforward, and the heater’s compact design fits most vehicles. Its low power consumption prevents excessive drain on the battery, making it ideal for extended use. Whether for professional truckers or casual travelers, this diesel parking heater provides reliable warmth and climate control in all seasons.