ITEM NAME:High Precision Inductance Resistor Capacitor Lrc Calibrate Reference Module H3Z4 High Precision Inductance Resistor Capacitor Lrc Calibrate Reference Module H3Z4 Built -in 3 kinds of high precision components,highest accuracy and stability with this device , you will know the Meter error, accuracy,calibrate your meter 4mm banana socket as output interface colour:red Material:Metal + PC Package Contents: 1*Inductance resistor Calibrate Reference Box