handheld Adjustable Current Voltage Analog Simulator 0-10V/2-10V 0-20mA/4-20mA Signal Generator signal sources output Working 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 500 3 voltage, current output, a for key switch 4. Size: 85*50*22mm Indicator description V (red) is bright, output is 0-10V voltage signal; flashing, output is 2-10v voltage signal mA (green) is bright, output is 0-20mA current signal; flashing, output is 4-20mA current signal Port description: PWR: Connect to DC15-27V Positive Supply GND: power and signal ground GND: power and signal ground V0: Voltage analog output interface mA0: Current Output Analog Output Interface Package include: 1pcs Signal Generator Analog Simulator