Product Description: Introducing our versatile Signal Generator, designed to support a wide range of power operations and deliver high precision outputs. Key Features: Supports external operating power of 15-30V and includes a 5V micro USB port along with a built-in lithium battery. Equipped with a 4-digit LED display for brighter visuals and two decimal points accuracy for precise readings. The output can be calibrated to achieve 0.01V and 0.01mA accuracy for high precision tasks. Offers rough and fine adjusting modes with a settable rotation turns for tailored control. Features a switching button for seamless transition between current and voltage output. Allows simultaneous current and voltage output with independently wired output terminals. Compatible with 2-wire, 3-wire, and 4-wire current outputs that support both active and passive modes. Multiple output ranges, including 0-3.3V, 0-5V, 1-5V, 4-20mA, 0-20mA, ensuring adaptability and programmability. Programmable display modes available for current-voltage value, 0-100% display, and 0-50.0Hz display. Equipped with short-circuit protection for output terminals and polarity reverse connection protection for power terminals. Features an infinite rotation knob and a high-accuracy, long lifespan encoder for output adjustments. Compact and portable with a stylish alloy adjustable knob and elegant external case design, making it easy to carry. Includes pluggable wiring terminal blocks for easy and convenient wire connections. Specifications: Current output range: 0-22mA adjustable Voltage output range: 0-10V DC adjustable Voltage output power: Max. 100mA Battery: 3.7V, 1000mAh Item dimensions: 100 x 60 x 25mm / 3.9 x 2.4 x 1.0in Item weight: 100g / 3.5 ounces Package dimensions: 100 x 60 x 25mm / 3.9 x 2.4 x 1.0in Package weight: 100g / 3.5 ounces Package Includes: 1 x Signal Generator