["Description:\r\n\r\nFeatures:\r\nbrand new and high quality\r\nHigh accuracy, 2 decimal point output, 0.01V, 0.01mA.\r\n4 digits brighter LED display, two decimal points accuracy, output can be calibrated.\r\nSupport external 15-30V operating power supply, 5V micro USB port, and Built-in lithium battery\r\nHave rough and fine adjusting modes, the rotation turns is settable.\r\nHave one switching button to switch between current and voltage output.\r\nCurrent and voltage output simultaneously, output wiring terminals are independently.\r\nHave 2-wire, 3-wire, 4-wire current outputs.(Support active and passive)\r\nMultiple output range: 0-3.3V, 0-5V, 1-5V, 4-20mA,0-20mA, etc. Output range is settable and programmable.\r\nProgrammable multiple display mode: current voltage value display, 0- display, 0-50.0Hz display.\r\nOutput terminals have short-circut for protection, power supply terminals have polarity reverse connection for protection.\r\nInfinite rotation knob, high accuracy long life span encorder to adjust output. Mush more stable and accurate than the potentiometer type.\r\nSmall size comfortable external shape: alloy adjustable knob, elegant external for case, easy to carry.\r\nPluggable wiring terminal blocks, very convenient to do wire connection.\r\n\r\nTechnical Indicators\r\n1 External Power Supply:DC15-30V 1W(Non charge)/5W(Charging);\r\n2 3.7V Lithium Battery Capacity 1000mAh，Maximum Charge Current 0.8A (Selection\r\nConfiguration);\r\n3 External Connection microUSB- 5V :0.2A(Non charge)/1A(Charging);\r\n4 Adjustable Voltage Output 0-10V, Precision 0.01V,Can Be Calibrated;\r\nMaximum Output Current 100mA, Short Circuit for Protection;\r\n5 Adjustable Current Output 0-22mA,Precision 0.01mA,Can Be Calibrated;\r\nSampling Resistor 10-500Ω,Can Be Short;\r\n6 Digital Display Digit 4 Digit, Two Decimal;\r\n7 Encoder Knob Rotate One Circle Has 20 pulses;\r\n\r\nSpecification:\r\nMaterial: Plastic, Alloy\r\nDimensions: 100x60x25mm(3.94x2.36x0.98in)(approx)\r\nColor: As pictures shown.\r\nQuantity: 1 pc\r\n\r\nNote:\r\nTransition: 1cm=10mm=0.39inch\r\nNo retail package.\r\nPlease allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\nWe can provide a detailed PDF version of the English manual. Please contact us for more information.\r\n\r\nPackage includes:\r\n1 x Signal Generator(other accessories demo in the picture is not included.)"]