Feature:1. HIGH WORK EFFICIENCY: This induction heater uses electromagnetic fields to heat metals, ensuring faster, more accurate, and more efficient operation. No open flames caused by heating, ensuring a secure working environment.2. END LED LIGHT: The induction heater has LED light at the end to provide illumination for dark work areas. Help you have a clear understanding of work progress and the status of heated objects.3. WITH 6 COILS: Equipped with 6 heating coils, 1 piece 0.79in (20mm), 1 piece 0.98in (25mm), 1 piece 1.18in (30mm), 1 piece 1.38in (35mm), 1 piece 1.57in (40mm), 1 piece free coil with a length of 29.53in (750mm). Multiple models and sizes meet more needs.4. 3.0MM BRASS CORE: These induction heating coils are composed of brass wire with 3.0mm brass core, which can be heated to a high temperature of 800 for a long time. Secure and reliable, with a power saving rate of over 30%.5. SECURE OPERATION: This flameless heating tool is equipped with cooling fan and overheating guard to heat without damaging nearby thermal components. The thermoplastic shell enhances both internal and external durability.6. WIDE APPLICATION: This magnetic induction heater is suitable for heating rusty screws and nuts to loosen them. It is also suitable for heating cars, machinery, various small metal parts such as gears, pulleys, bearings, etc.Specification:Item Type: Induction Heater KitModel: FH-1500BEnergy Saving Effect: Up to 30%Operating Frequency: 50-60HzRated Power: 1500WHeating Temperature: 800Heating Time for 800: 5-40 seconds (larger objects may require longer time)Heating Bolt Diameter: Coil can be wrapped around, coil can be freely adjustedAmbient Temperature: -40-60Relative Humidity: