Brand New and High Quality Material: plastic Voltage: 24V / 36V / 48V / 60V / 72V Cable length: 25cm Installation diameter 2.2cm Show Table Size:68*40mm Red positive and black negative wiring can be installed simply This lithium battery is not applicable Quantity:1pc Note: This product is applicable to the modification of electric vehicles Directly connect the positive and negative poles of the product to the corresponding positive and negative poles The voltage of is enough. About installation: no separate power supply is required Package Include : 1Pc Voltmeter Power Display Notice: 1.1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.