Description: 1. this mini board ZVS finished plate, without the heating , ignition , cooling fans, etc. 2. this kit requires a certain ability and relevant knowledge. If even the iron will not use, the will not be positive and negative points, it is recommended not to . Took out of the question, the seller does not any responsibility! 3. the maximum power of 120W (12V induction heating). Push the ignition 12V, when the primary 5 + 5 turns, 30W or so. 4. the input voltage DC 5V ~ 12V (5V voltage exceeds 12V or lower than the seller is not guaranteed to work properly, the input voltage is not within this range, a problem the seller is not liable!) 5.Make sure that all components soldered correctly, the power line is not reversed negative, then power! Specification: Input voltage: 5v-12v Module dimensions(L*W*H): 5.5 x cm/ 2.17x1.57x0.79 inch size Length:7.5cm/ 2.95 inch Width: 2.8cm/ 1.10 inch Package Includes: induction heating module Note: The reasons why the indicator light is off may 1. The wire is not connected properly and the is not energized. 2. The board has component damage. When the indicator light is dark, the should be insufficient, and a larger should be replaced. Non-tap is suitable for induction heating. The heating can be soldered to the .