Upgrade the multifunctional mini handheld digital signal generator. Featuring a high-grade aluminum alloy knob and an ultra-thin frosted non-slip shell, this lightweight and portable device is ideal for PLC and panel debugging, continuous speed regulation of servo motors (forward and reverse), equipment testing, frequency converters, and more. Voltage output: -10V to +10V, with 0.01V accuracy, enabling precise forward and reverse debugging. Current output: 022mA, with 0.01mA accuracy; calibration available for up to 5% error. Built-in 3.7V 1000mAh lithium battery provides reliable power and includes a power indicator. This analog signal generator is a full-featured, highly practical, and cost-effective handheld function generator designed for maintenance and industrial applications. Features one-key switching between voltage and current modes, simultaneous output, short-circuit protection, reverse connection protection, and the ability to store the last output value when powered off. After use, press the knob to save the setting; upon powering on, the device will recall the previously saved value, ensuring ease of use and consistent performance. Material: Aluminum alloy Color: Random Note: Color may vary as it is randomly assigned; specific color requests cannot be accommodated. Package Contents: 1 x Signal Generator Set Other products shown are not included. Note: Lighting and display differences may cause slight variations in the item's color as seen on screen. Measurement error allowance: 13 cm.