Working voltage: DC 15~27V / Mirco USB 5V1.1 Channel analog output, selectable voltage type (output range 0 / 2-10V) or current type (output range 0 / 4-20MA)2. Voltage type output load impedance requirement 2KOmega, current type output impedance requirement le 500Omega3 voltage, current output, one button switch4. Size: 85 x 50 x 22mmmaterial: plasticColor as shownIndicator descriptionV (red) is on, the output is 0-10V voltage signal; flashing, output is 2-10v voltage signalmA (green) is on, output 0-20mA current signal; flashing, output is 4-20mA current signalPort Description:PWR: Connect to DC15-27V positive power supplyGND: Power and signal groundGND: Power and signal groundV0: voltage analog output interfacemA0: current output analog output interfacePackage Contents:1 x Signal GeneratorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.