Electronics-Salon 24V DC Positive Voltage Regulator Module Board, Based on 7824. DC input 27 to 32V, or AC input 20.3 to 23.5V Output Voltage DC24V Maximum Current 1 Amp PCB Size: 50 x 50mm / 1.97 x 1.97 inch . PCB Thickness : 1.6mm / 0.063 inch Module Size(W x L x H): 50 x 50 x 38mm / 1.97 x 1.97 x 1.5 inch