1. Bidirectional Current Detection, High And Low Temperature Drift Accuracy, Universal For Various Batteries 2. This Is A Multi-Functional Instrument That Can Display Various Physical Parameters Such As Voltage, Real-Time Current, Real-Time Power, Remaining Capacity, And Usage Time In Real Time. The Instrument Uses An 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. 3. Pvc Flame Retardant Shell, Made Of High-Quality Industrial Grade Abs, Has Impact Resistance, Low Temperature Resistance And Other Characteristics. Pvc Flame Retardant Material Shell, Safe And Reliable 4. No Need To Break Wires, Easy Wiring, Bidirectional Current Detection Of Charge And Discharge 5. Suitable For A Of Applications Description: Measuring range Voltage:8V~120V Current: 0.02A~100A Capacity: 0.1AH~999AH Power value: 60KW Accuracy Voltage:1%+2 characters Current:0.5%+2 words Temperature:-20C-150C Display mode: 12864 LCD display Power consumption in bright screen state: 0.2W Power consumption in screen rest state: 0.05W Communication baud rate: 9600bps Measurement rate: 20 times/second Display header size: (length x width x height) about 79x43x26(mm) Hall sensor size: (length x width x height) about 40x20x40(mm) Type: 120V/50A Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use The Sensor random, do not accept the specified, does not affect the use of Colour:As Shown Material:ABS+PVC Package Contents: 1x Monitor 1x Closed Hall Sensor (Random) 1x Data Transmission Cable 1 String x 2.54 Red And BlackWire 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.