1. Multifunctional Wired Shunt Coulomb Meter, Bidirectional Current Detection, High And Low Temperature Drift Accuracy, Universal For Batteries 2. Suitable For Scenarios 3. This Is A Multi-Functional Instrument That Can Display Physical Parameters Such As Voltage, Real-Time Current, Real-Time Power, Remaining Capacity, And Usage Time In Real Time. The Instrument Uses A 12864 Lcd Display To Display Comprehensive And Clear Data. This Instrument Is Used In Situations Where Output Voltage And Current Need To Be Monitored, As Well As Battery Charging And Discharging. 4. The Shunt And Screws Are Made Of Pure Copper Material, Which Has Good Electrical Conductivity And Low Heat Generation. It Has Low Power Consumption And Will Not Consume Too Much Battery Power In Standby Mode. Everything Down To The Gasket And Spring Is Made Of Pure Copper To More Accurate Sampling Accuracy. 5. Pvc Flame Retardant Shell, Made Of High-Quality Industrial Grade Abs, Has Impact Resistance, High Temperature Resistance And Other Characteristics. The Pvc Flame Retardant Material Shell Is Safe And Reliable. Description: Measuring range Voltage: 8V~120V Current: 0.02A~100A Capacity: 0.1AH~999AH Power value: 60KW Accuracy Voltage: 1%+2 digits Current: 0.5%+2 words Temperature: -20-150 Display mode: 12864 wave crystal display Power consumption in bright screen state: 0.2W Power consumption in screen rest state: 0.05W Communication baud rate: 20 times/second Bluetooth communication distance: 10 meters in open space Display size: (length x width x height) about 79x43x26(mm) Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:ABS+PVC Package Contents: 1x Monitor 1x Shunt 1x Wrench 1 Set x Connecting Cables Only 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.