KFFKFF 5 KW 12 V Diesel Air Heater — Bluetooth App, Auto Altitude Adaptation, Remote + LCD — Compact Heater for RVs, Trailers, Campers & Boats

No-installation, high-output heating: The KFFKFF diesel air heater delivers 5 KW of warmth on a 12 V supply and is designed for quick setup—no installation required—making it perfect for camping and other outdoor trips. Heating coverage is 161-215 ft² / 15-20 m², and the sandblasting aluminum heat exchanger provides fast, efficient heat so interior temperatures reach comfort within about 10 minutes. Flexible controls: An upgraded Bluetooth module lets you operate the heater via smartphone (app control) from up to 98 ft / 30 m. A 32 ft / 10 m remote control and built-in LCD are also included to suit your preferred method of operation. Temperature can be set between 46.4 °F-96.8 °F / 8 °C-36 °C. Automatic altitude compensation: Built to adapt automatically to high elevations, the unit adjusts performance for altitudes up to 18,045 feet / 5,500 meters so no manual tuning is needed. Fuel-efficient operation: The precision low-noise fuel pump reduces consumption to approximately 1 gallon per night, with a rate of 0.16-0.52 L/h. The 5 L / 1.3 gal fuel tank supports up to 10 hours of continuous heating on a full tank. Safety and convenient features: This 12V diesel heater includes a comprehensive safety system and is suitable for use in cars, RVs, ships, and indoor spaces. It offers constant temperature control, a timing function, voice broadcasting, preheating, and overheating protection at temperatures ≥518 °F / 270 °C for dependable, worry-free operation.