USB Tester and Data Masker Input Voltage 3.2 VDC to 30V DC Load Current 3 A Connector Type USB 2.0 or 3.0 Capacity 3 A Dimensions 2.7 in L x 1 in W x 4.7 in H Weight 2.7 oz Features Display Readout Dual Output Fast Charging Masked Port to Prevent Data Transfer Test The Power Voltage and Current of The USB Port