SincereetaliThis signal generator supports 15-30V external working power, 5V micro USB port and built-in lithium battery, brighter 4-digit LED display, two decimal points accuracy, calibrateable output, high precision, two decimal points output, 0.01V 0.01mA. Features: Have coarse and fine adjustment modes, the rotation of the turns is adjustable. Have a switch button to switch between current and voltage output. Current and voltage output simultaneously, the output wiring terminals are independently. Has 2, 3 and 4 wire current outputs. (Support active and passive) Multiple output range: 0-3.3V, 0-5V, 1-5V, 4-20mA, 0-20mA, etc. The output range is adjustable and programmable. Programmable multiple display mode: display current voltage value, display 0-100%, display 0-50.0Hz. Output terminals have short circuit protection, power terminals have polarity reverse connection protection. Infinite rotation knob, high precision for long life to adjust the output. More stable and accurate mush than potentiometer type. Comfortable external shape with small size: alloy adjustable knob, elegant external housing, easy to carry. Pluggable wiring terminals, very convenient to make wire connection. Features: Current output range: 0-22mA adjustable Output voltage range: 0-10V DC adjustable Output voltage: max. 100mA Battery: 3.7V, 1000mAh Item size: 100 * 60 * 25mm / 3.9 * 2.4 * 1.0in Item weight: 100g / 3.5ounce Package size: 100 * 60 * 25mm / 3.9 * 2.4 * 1.0in Package weight: 100g / 3.5ounce Package list: 1 * Signal Generator