Feature: 1. [Efficient and Safe] This induction heater uses electromagnetic fields to heat metal, offering faster, more precise, and highly efficient heating without an open flame, ensuring safety. 2. [6 Piece Coil Set] The kit includes 6 different coil sizes: 1 x 20mm, 1 x 25mm, 1 x 30mm, 1 x 35mm, 1 x 40mm, and 1 x 750mm long flexible coil, catering to various job requirements. 3. [3mm Brass Core] Made with 3.0mm brass core, the coil can withstand prolonged heating up to a high temperature of 800??, with good energy saving effect. 4. [Convenient LED Light] The built in LED light at the end provides illumination in dark working areas, allowing for a clearer understanding of the work progress and the status of the heated object. 5. [Cooling System] The induction heater is equipped with cooling fan and overheat protection, ensuring safe heating of nuts and rusty screws without damaging nearby thermal sensitive components. Specification: Item Type: Magnetic Induction Heater Kit Material: Flame retardant ABS, brass Model: FH 1500B Power Saving Effect: Power saving can achieve over 30% Working Frequency: 50-60Hz Rated Power: 1500W Heating Temperature: 800?? Time Required for Heating at 800??: 5-30 seconds (the larger the object, the longer the time required) Heating Bolt Diameter: Can be covered by coil, which can be adjusted freely Environmental Temperature: -40?? to 60?? Relative Humidity: