Engine Heaters built with aerospace technology that has been tested and proven in the most severe climates to be dependable and durable. Easily installed using a "peel and stick" Adhesive. Designed to Heat the Oil and the internal parts of the engine by thermo transfer. Provides instant lubrication, quicker starts and less emissions. Helps improve crankability in the coldest weather. Reduces cold start up wear and harmfull emissions.