1、Fast Heating Speed: Magnetic induction heating, 3.0mm brass core, fast flameless heating, up to 800℃, high efficiency, good safety. 2、8 Coils in Total: There are 2 20mm coils, 2 25mm coils, 2 30mm coils and 2 750mm flexible coils to meet your needs. 3、Great Utility: Mainly used to heat rusty bolts and nuts for easy disassembly, induction heater can be widely used in automobiles, machines and so on. 4、Premium Design: LED light at the end will illuminate your work area, while cooling fan provides overheat protection for your operation. 5、Smart Carry: Light in weight and compact in size as well, the induction heater kit can be neatly stored in box for convenient carrying. Item Type: Magnetic Induction Heater Model: FH-1500B Working Frequency: 50-60Hz Rated Power: 1500W Heating Temperature: 800℃ Time Required for Heating up to 800 ℃: 5-30 seconds, the larger the object, the longer the time required. Applicable Bolt Diameter: Can be winded by the coil, which can be adjusted freely. Environmental Temperature: -40℃ - 60℃ Relative Humidity: <95% Rh Atmospheric Pressure: 86-100KPa Function: 1. Equipped with soft start function, which ensures long service life with frequent starts. 2. Equipped with IGBT overcurrent protection function. 3. Equipped with input and output overcurrent protection and automatic negative feedback adjustment function. 4. Equipped with IGBT over temperature protection function. 5. Equipped with heating coil short circuit protection function. 6. Equipped with heating coil open circuit protection function. 7. Full bridge series resonant circuit with strong anti interference ability. 8. Using high performance IGBT driver chips for accurate driving and output waveforms. 9. Automatic recognition of load and phase locked function to achieve high power factor at the load end, and to enable circuit control to work efficiently in weak inductive areas. 10. Several electromagnetic heating controllers are installed in parallel on the same heating tube without interfering with each other. 11. Energy saving, compared with the currently used electric heating coils, the power saving can get up to 30%. 12. Easy Installation: Can be connected to induction coils with bucket and flat plate structures, etc. 1 x Magnetic Induction Heater 8 x Induction Heater Coil 2 x Screw 1 x Storage Box 1 x User Manual