Features: 71 multifunction measurement parameters, main measurement parameters: running for time, temperature, current, voltage, power, capacity, energy. Adopted of OLED digital display screen,which is clearer and more intuitive. Compact and lightweight, easy for installation & carrying. Sensitive reaction, and a variety of color fonts are optional. Suitable for engineering monitoring power/DIY charging meter/car/battery, etc. Specifications: Material: ABS Size: 48x29x22mm/1.88x.14x0.86in Voltage measurement range: DC00.0-33.00V Current measurement range: DC00.0-3.000A Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1X Electrical Parameter Meter