3Pcs 5V -12V ZVS Induction Heating Power Supply Module With Coil Features:   Input voltage: 5v-12v Module dimensions: 5.5 x 4 x 2 cm(L*W*H) Coil size:  length:7.5cm                width: 2.8cm   Package Included:   3 x induction heating power supply module 3 x coil