Feature: 1. Faster Heating: Adopting magnetic induction heating and 3.0mm brass core for quick flameless heating up to 1200??, high in efficiency and safety. 2. With 8pcs Coil: There are 2pcs 20mm coil, 2pcs 25 mm coil, 2pcs 30mm coil and 2pcs flexible coil with 750mm length, which will meet your needs. 3. Larger Utility: Mainly used to heat up rusty bolts and nuts for removal, the induction heater can be widely applied on car, machine and so on. 4. Premium Design: LED light at the end will light up your working area, while the cooling fan provides your operation with overheat protection. 5. Smart in Carry: Light in weight and compact in size as well, the induction heater kit can be neatly stored in box for convenient carrying. Specification: Item Type: Magnetic Induction Heater Model: FH-1000 Maximum Output Current: 150A Working Frequency: 50-60Hz Rated Power: 1800W Heating Temperature: 1200?? Time Required for Heating up to 1200 ??: 5-40 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: