Stay warm and cozy no matter where you are. This diesel air heater is the perfect solution for your car, RV, truck, indoor space, and more. It quickly delivers a steady stream of warm airflow, eliminating the cold atmosphere in your vehicle and providing a cozy journey. With automatic altitude compensation, it functions efficiently at altitudes of up to 18,045 feet/5,500 meters. Enjoy the benefits of a stable fuel supply and low noise, creating a warm and peaceful environment for your comfort. The heater comes with Bluetooth control for greater convenience, allowing you to preheat your heater from up to 98 ft/30 m away, or use the included 32 ft/10 m remote control and LCD. The temperature can be adjusted from 46.4 °F-96.8 °F/8 °C-36 °C, catering to your specific needs.