Feature: 1. Working Specifications: This induction heating board uses 12 to 48V low voltage DC power supply, with a current of 20A and a power of 1000W. Moderate power, even and fast heating. 2. Scope of Application: This heating board can be used by DIY players for heat treatment of small parts, and can also be used with graphite crucibles to melt gold, silver, copper, aluminum and other metals. 3. PCB Board: The heating board is made of 100 x 100mm military PCB for stable performance, you can choose it with confidence! 4. Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 5. Ideal Replacement: The heating board can be easily installed, ideal replacement for the old and damaged parts. Specification: Item Type: Heating Board Material: Aluminum Alloy, Brass, PCB Size: Approx. 100 x 100mm / 3.9 x 3.9in Use: Used for DIY players to heat treat small parts such as quenching and annealing, and can also be used with graphite crucibles to smelt gold, silver, copper, aluminum and other metals Basic Parameters: Input Voltage: 12V-48V, recommended 36V Power Supply Requirements: Less than 12V, greater than or equal to 10A, more than 15V greater than or equal to 15A. Package List: 1 x Heating Board1 x Brass Tube Note: The board should not be unloaded, or it will make a noise with high frequency, and then the MOS tube will be burned out due to heating.