Features: Generator: 1 analogues output channel that can output 0-20mA, 4-20mA and 0-22mA. User friendly keypad control and digital display for convenient operatings. Crafted with plastic materials for extended use. Suitable for professional in various field who need to adjust and test current signal. Perfect for engineers, technicians, and electronic equipment maintenance personnel. Practical tool for various applications, including instrument calibration and sensortesting. Boosts your workings efficiency with this device. Perfect for adjusting and testing current signal. Specifications: Material:ABS Voltage: 0-10V Current: 0-20mA Size:Approx.80mm/3.15''x42mm/1.65''x40mm/1.57'' Package Includes: 1x Current Voltage Signal Generator note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.