1、IMPROVE ENGINE STARTING PERFORMANCE: Engine heaters can warm the coolant and engine oil of engines in low temperature environments, ensuring a smooth start in cold weather, reducing engine wear, and extending service life. 2、REDUCE FUEL CONSUMPTION: By increasing the preheating temperature of the engine, fuel consumption during cold starts is reduced, enhancing combustion efficiency, thereby lowering operating costs and improving economic performance. 3、OPTIMIZE OPERATING TEMPERATURE: The thermostat accurately controls the engine operating temperature, maintaining it within the optimal range, enhancing fuel combustion efficiency, reducing emissions, and preventing engine overheating. 4、PROTECT ENGINE INTERNAL COMPONENTS: The engine block heater helps preheat the block, reducing temperature differences between metal parts, preventing mechanical stress caused by sudden temperature changes, lowering the risk of failure, and increasing reliability. 5、ENHANCE OVERALL PERFORMANCE: A preheated engine can reach operating temperature more quickly, resulting in better performance in acceleration and power output, thereby enhancing the driving experience and overall vehicle performance. Item Type: Engine Block Heater Material: ABS+SUS Electrical Strength: 1500V/1min (Normal) Temperature Control Range: 50℃ Inlet/Outlet Size: Approx. 16mm / 0.6in Weight: Approx. 790.00g / 27.87oz 1 x Heater 12 x Accessories 1 x Instruction Manual