Features: Multifunctional measuring instrument for high voltage operation1.14-inch high-definition IPS LCD color screen, 135*240 resolutionMaximum current measurement 20ASupport data clearing, no-load , voltage fine-tuning, current fine-tuningMeasurement and display of real-time voltage, current, power, -percentage of electricity and internal resistance and instrument temperature, cumulative capacity, energy,peration.Parameter:Input/output interface: 20A high current 2P terminalInstrument working voltage: XH-2.54-2P red and black wires, power supply DC6~30V Common power supply DC6~120VVoltage measurement range: DC0~120VCurrent measurement range: 0.00A~20.00ACapacity measurement range: 0~9999.99AhElectricity metering range: 0~9999.99WhImpedance measurement range: 0~9999.99Temperature measurement range: 0~99Time measurement range: 0~999:59:59 (hour::second)Data reset: supportNo-load return to zero: supportVoltage fine-tuning: supportCurrent trimming: supportPercentage power display: Supports percentage power based on voltage reference (full power and no power voltage need to be manually set)Product size: 47.59 x 28.67 x 25.33mmInstallation hole: 45 x 26mmXH-2.54-2P red and black wires Parameter:Thin red wire: positive power supplyThin black wire: Negative, and thick black wire construction site, do not need to connect when measuring loop currentThis wire is only used as an power supply when measuring voltages 6V, and it is not necessary to connect this wire when measuring voltages above 6V.Material: Plasticcolour: blackPackage Contents:1 x Multifunction Tester1 x wirewayOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.