["handheld Adjustable Current Voltage Analog Simulator 0-10V/2-10V 0-20mA/4-20mA Signal Generator signal sources outputr r Working voltage :DC 15~27V /Mirco USB 5Vr (Can be powered by mobile phone charger, computer USB, mobile power)r r 1.1CH analog output, optional voltage type (output range 0/2-10V) or current type (output range 0/4-20MA)r 2. Voltage-type output load impedance requirements ≥ 2KΩ, current-type output impedance requirements ≤ 500Ωr 3 voltage, current output, a for key switchr 4. Size: 85*50*22mmr r Indicator descriptionr V (red) is bright, output is 0-10V voltage signal; flashing, output is 2-10v voltage signalr mA (green) is bright, output is 0-20mA current signal; flashing, output is 4-20mA current signalr r Port r PWR: Connect to DC15-27V Positive Supplyr GND: power and signal groundr GND: power and signal groundr V0: Voltage analog output interfacer mA0: Current Output Analog Output Interfacer r Package include:r 1pcs Signal Generator Analog Simulator"]