Feature: 1. HIGH WORK EFFICIENCY: Induction heating tool heats metal with electromagnetic field, faster and more accurate than oxy acetylene systems. No open flame for safety. 2. HIGH STRENGTH WORK AREA (LED): Built in LED light for nut removal provides illumination in dark settings. Monitor work progress and object status clearly. 3. 3 COIL SIZES: Kit includes 3 coil sizes (0.79in/20mm, 0.98in/25mm, 1.18in/30mm) for versatile work adaptation, ensuring smoothly workflow. 4. 3.0MM BRASS CORE: Coils made with reliable 3.0mm brass core withstand high temperatures up to 800℃. Energy saving, up to 30% more efficient than electric coils on the market. 5. COOLING SYSTEM: Induction heater has a cooling fan and overheating safety for prolonged device life without damaging nearby heat sensitive components. Enhanced durability with thermoplastic outer casing. 6. WIDE APPLICATION: Magnetic induction heater kit is mainly used for loosening nuts and rusted screws, as well as heat treatment for various small metal parts in automotive, mechanical, and industrial applications. Specification: Item Type: Magnetic Induction Heater Kit Mode: FH 1200 Power Saving Effect: Power Saving Up To 30% Operating Frequency: 50 To 60hz Rated Power: 1200w Heating Temperature: 800℃ Heating Time Of 800℃: 5 to 40 Seconds (The Larger The Object, The Longer The Time) Heating Bolt Diameter: Coil Can Be Covered, Coil Can Be Freely Adjusted Ambient Temperature: -40 ℃ to 60 ℃ Relative Humidity: <95% Rh Atmospheric Pressure: 86kpa to 100kpa Features: 1, Soft Start Function, In The Case Of Frequent Start, Long Service Life 2, IGBT Overcurrent Safety Function 3, Input And Output Overcurrent Safety Automatic Adjustment Of Negative Feedback Function 4, IGBT Overtemperature Safety Function 5, Heating Coil Short Circuit Safety Function 6, Heating Coil Open Circuit Safety Function 7, Full Bridge Series Resonant Circuit Topology, Strong Anti Interference Ability 8, The Use Of High Performance IGBT Driver Chip Drive, Accurate Drive And Output Waveform 9, Automatic Identification Of Load And Phase Lock Function, So That The Load Side To Get A Higher Power Factor, But Also Make The Circuit Control Efficient Work In Weak Sensitivity Area: 10, Several Electromagnetic Heating Controllers Are Installed In Parallel On The Same Heating Pipe Without Interfering With Each Other 11, Good Power Saving Effect: Compared With The Current Use Of Electric Heating Coil, Power Saving Can Arrive More Than 30% 12, Easy To Install: Can Be Connected To The Bucket Type And Plate Type And Other Structural Induction Coil . Package List: 1 x Induction Heater 3 x Heating Coil 2 x Screws 1 x Manual