handheld Adjustable Current Voltage Analog Simulator 0-10V/2-10V 0-20mA/4-20mA Signal Generator signal sources outputWorking voltage :DC 15~27V /Mirco USB 5V(Can be powered by mobile phone charger, computer USB, mobile power)1.1CH analog output, optional voltage type (output range 0/2-10V) or current type (output range 0/4-20MA)2. Voltage-type output load impedance requirements 2K, current-type output impedance requirements 5003 voltage, current output, a key switch4. Size: 85*50*22mmIndicator descriptionV (red) is bright, output is 0-10V voltage signal; flashing, output is 2-10v voltage signalmA (green) is bright, output is 0-20mA current signal; flashing, output is 4-20mA current signalPort description:PWR: Connect to DC15-27V Positive SupplyGND: power and signal groundGND: power and signal groundV0: Voltage analog output interfacemA0: Current Output Analog Output InterfacePackage include:1pcs Signal Generator Analog Simulator