Electrical Parameter Meter Voltage Amp Current Energy Tester 7 in 1 OLEDOOTDTYoughts: 7 - 1 multi-function measurement parameters, main measurement parameters: working time, temperature, current, voltage, power, capacity, energy. Adopted OLED digital display screen, which is clearer and more intuitive. Compact and lightweight, easy to install and carry. Sensitive response and different color fonts are optional. Suitable for power monitoring engineering/DIY charge meter/car/battery, etc. Specification: Material: ABS Measuring Range: 48x29x2 2mm/1.88x.14x0.86in Voltage Measuring Range: DC00.0-33.00V Current Measuring Range: DC00.0-3.000A Package Includes: 1X Electrical Parameter MeterNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.