Feature:1. WORKING PRINCIPLE: The induction heater uses electromagnetic fields to heat metal, which is precise and efficient, will not cause open flames due to heating, ensuring a safe working environment.2. WITH LED LIGHT: Built in LED light at the end, convenient for providing lighting in dark areas, clear understanding of work progress, and understanding the status of heated objects.3. 4 HEATING COILS: Equipped with 4 different sizes of heating coils, 20mm, 25mm, 30mm, and 750mm free coil, for different work needs, composed of 3.0mm brass core wires, high temperature resistance.4. COOLING FAN: The magnetic induction heater is equipped with a cooling fan and overheating protection, which heats up without damaging the thermal sensitive components and prolongs its service life.5. MAIN FUNCTIONS: Mainly used for heating nuts and rusty screws to loosen them, suitable for automobiles, machinery, various small metal parts such as gears, pulleys, bearings, etc.6. STORAGE BOX: This kit is equipped with tool box with portable handle, which can effectively secure and protect these tools, making it easy to carry when going out.Specification:Item Type: Magnetic Induction HeaterModel: FH 1200Power Saving Effect: Up to 30% or moreWorking Frequency: 50-60HzRated Power: 1200WHeating Temperature: 800Time for Heating at 800: 5-40 seconds (the larger the object, the longer the time required)Heating Bolt Diameter: The coil can be covered and adjusted freelyEnvironmental Temperature: -40-60Relative Humidity: