Function: 1.Equipped with 4-digit digital highlight tube, supports high-precision adjustment and output can be calibrated. Specification: Condition: 100% New Item Type: Voltage Current Signal Generator Material: ABS 3 Power supply methods: Charging with mobile phone charger, power bank or external 24V power supply External power supply: DC15-30V, Power: 1W (not charging)/4W (charging) Lithium Battery Capacity: 1000mAh, 3.7V Maximum charge current: 0.6A External: Micro USB-5V, Current: 0.2A (do not charge)/1A (charge) Voltage Output: 0-10V Adjustable, Accuracy after Calibration: 0.05V, Maximum Current: 20mA Current Output: 0-22mA Adjustable, Accuracy After Calibration: 0.05mA, Current sampling resistance is no more than 500 ohm Digital Tube Display Numbers: 4 digits, two decimals Encoder: 20 pulses per turn of the button Power Supply: Built-in Lithium Battery 1000mAH Size: approx. 100x60x25mm/3.9x2.4x1.0in Package List:1 x Signal Generator1 x USB Cable4 x Clip4 x Insulation Clip Cover1 x Screwdriver 6 x Terminal1 x Manual Note: 1. Please note an error margin of 0-1 inch due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated the same, item color displayed in photos may differ slightly from the real object. Take the real standard.