Handheld Adjustable Voltage Analog Signal Generator - 0-10V/2-10V 0-20mA/4-20mA Output Working Voltage: DC 15~27V / Micro USB 5V (Can be powered by mobile phone charger, computer USB, power bank) 1. 1CH analog output, selectable voltage type (output range 0/2-10V) or current type (output range 0/4-20MA). 2. Load impedance requirement for voltage type output is 2K, and for current type output is 500. 3. Voltage and current output, switchable with a key. 4. Size: 85*50*22mm Indicator V (Red) is lit: Output is 0-10V voltage signal; Flashing: Output is 2-10V voltage signal. mA (Green) is lit: Output is 0-20mA current signal; Flashing: Output is 4-20mA current signal. Port PWR: Connect to DC15-27V positive power supply. GND: Power and signal ground. GND: Power and signal ground. V0: Voltage analog output interface. mA0: Current analog output interface. Package Includes: 1pc Signal Generator Analog Simulator