Features: Suitable for all batteries voltage ranges from 8 to 120V. 10 seconds delay automatic sleep function can withstand ultra-wide voltage input The cable plug has certain height, the height after plugging in the plug higher than 13.5mm. Support capacity, voltage setting. Manually open and close the display. Automatically open and close the display when detecting the current. High-precision battery power display meter, uses current calculation (coulommeter) to accurately display battery power percentage, capacity, current and voltage. Fit for all kinds of electric vehicles, sweeper trucks, electric forklifts, equipment with high power motor, etc Electricity using liquid crystal display mode, the display clearer and more power saving. Specifications: Size: Approx. 61.3x33.3x13.5mm/2.41x1.31x0.53in Measurement Range: 100A/300A/50A Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Multimeter