Electronics-Salon Power Supply Board Kit, PCB, Based on LM317 & LM337 IC. Input Voltage: Dual 4 to 32V AC Output Voltage: +/- 1.25 to 37V DC Output Current: 10mA to 1.5A Module Size(W x L x H): 91 x 68 x 40mm / 3.58 x 2.68 x 1.57 inch. PCB Size: 91 x 68mm / 3.58 x 2.68 inch . PCB Thickness : 1.6mm / 0.063 inch