Descriptions:This electrical parameter meter is adopted of OLED digital display screen, which is clearer and more intuitive. 7-1 multi-function measurement parameters,suitable for engineering monitoring power/DIY charging meter/car/battery, etc.Features:Adopted of OLED digital display screen,which is clearer and more intuitive.7-1multi-function measurement parameters, main measurement parameters: running time, temperature, current, voltage, power, capacity, energy.Sensitive reaction, and a variety of color fonts are optional: blue, white.Compact and lightweight, easy for installation and carryingWith wide application, suitable for engineering monitoring power/DIY charging meter/car/battery, etc.Specifications:Input voltage: 4-20VType(Optional): 33V/3A blue, 33V/3A white, 33V/10A white, 100V/10A whiteMain measurement parameters: run time, temperature, current, voltage, power, capacity, energy.Size: Approx. 4.8 x 3 x 2cm/1.89 x 1.18 x 0.79inchWeight:31gModel33V3A33V10A100V10AVoltage measurement rangeDC00.00-33.00VDC00.00-33.00VDC00.0-99.9VCurrent measurement range0.000-3.000A0.00-9.99A0.00-9.99APower measurement range00.00-99.00W00.00-99.99W -330.0W00.00-99.99W -999.9WEnergy measurement range0-999.99Wh0-3300.0Wh0-9999.9WhVoltage measurement accuracy(0.3% +2digits)0.3% +2digits)(0.5% +1digit)Current measurement accuracy(0.8% +3digits)(1% +2digits)(1% +2digits)Capacity measurement range00.00-99.999AhTime measurement range: 0-99h59minTemperature measurement range): -15~60 Package Included:1 x Electrical Parameter Meter1 x InstructionsNote: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.