0/4/8/10 gauge AWG positive and negative battery clamps with a voltmeter, and washers (1 Pair). Equipped with a 12-24V voltmeter with an error of less than 0.5V, real-time monitoring of the car battery voltage. Copper alloys, satin nickel finish, high-temperature resistant material for environmental protection. positive and negative connections take over the connection. Waterproof and dustproof, longer service life; Transparent acrylic covers, prevent the battery end from being damaged by the environment. Ideal for advanced audio technology, heavy-duty lighting or inverter charging systems, heavy and commercial use. Color: As Pic Shown Size:70 x 50mm Packing List: 1 x Car Battery Terminal with Voltmeter(Positive ) 1 x Car Battery Terminal (Negative) 2 x Spacer Shims 2 x Car Battery Terminal Covers.Items from Sheng Xinshun's shop