Welcome to the store! Features: Multifunctional high-voltage operation measuring instrument. 1.14-inch high-definition IPS LCD color screen, 135*240 resolution. Maximum current measurement 20A. Supports data clearing, idling, voltage fine-tuning, and current fine-tuning. Measures and displays real-time voltage, current, power, percentage of electricity, internal resistance, instrument temperature, accumulated capacity, energy, and operating time. Parameters: Input/Output Interface: 20A high current 2P terminal. Instrument Working Voltage: XH-2.54-2P red and black wires, power supply DC6~30V. Common power supply DC6~120V. Voltage Measurement Range: DC0~120V. Current Measurement Range: 0.00A~20.00A. Capacity Measurement Range: 0~9999.99Ah. Electricity Measurement Range: 0~9999.99Wh. Impedance Measurement Range: 0~9999.99. Temperature Measurement Range: 0~99. Time Measurement Range: 0~999:59:59 (hour:minute:second). Data Reset: Supported. Idle Return to Zero: Supported. Voltage Fine-Tuning: Supported. Current Trimming: Supported. Power Percentage Display: Supports percentage of power based on voltage reference (full power and no power voltage must be set manually). Product Size: 47.59 x 28.67 x 25.33 mm. Installation Hole: 45 x 26 mm. XH-2.54-2P Red and Black Wires Parameter: Thin Red Wire: Positive power supply. Thin Black Wire: Negative. And thick black wire construction site, no need to connect when measuring loop current. This wire is only used as a power supply when measuring voltages below 6V, and it is not necessary to connect this wire when measuring voltages above 6V. Material: Plastic Color: Black Package Contents: 1 x Multifunction Tester 1 x Cable Channel Package contents above only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We are committed to providing the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!