Feature:1. ZVS induction heating board kit can be used by DIY players for hardening, annealing and other heat treatments of small parts.2. It can be used with graphite crucible (not included) to smelt gold, silver, copper, aluminum and other metals, heating quickly and evenly.3. High-quality PCB board heating module, with nice durability, stable performance, wear-resistant and corrosion-resistant.4. Heating circuit adopts 12-48V low-voltage direct current power supplys, maximum current 20A, maximum power 1000W.5. The higher the voltage, the greater the heating current, the effect is better and the heat is greater, choose the right voltage according to the actual situation.Specification:Features:ZVS induction heating board kit can be used by DIY players for hardening, annealing and other heat treatments of small parts.It can be used with graphite crucible (not included) to smelt gold, silver, copper, aluminum and other metals, heating quickly and evenly.High-quality PCB board heating module, with nice durability, stable performance, wear-resistant and corrosion-resistant.Heating circuit adopts 12-48V low-voltage direct current power supplys, maximum current 20A, maximum power 1000W.The higher the voltage, the greater the heating current, the effect is better and the heat is greater, choose the right voltage according to the actual situation.Specifications:Material: PCB + MetalWorking Voltage: 12-48VWorking Current: Max. 20AOutput Power: Max. 1000WItem Size: 110 * 100 * 40mm/ 4.3 * 3.9 * 1.6inPackage Size: 270 * 165 * 50mm/ 10.6 * 6.5 * 2.0inPackage Weight: 545g/ 19.2ozPacking List:1 * Induction Heating Board1 * Copper TubePackage List:1 * Induction Heating Board1 * Copper Tube