Upgraded Motorcycles LED Voltmeter/Temperature and Voltage/4 in 1 Panel Meter 85DF -- Features: with touch screen, easy to operate. It can be mounted on the rear view mirror. Red connects to positive and black connects to negative. 3 standard for your option: voltmeter/temperature and voltage/temperature + voltage + time + stopwatch. LED display, perfect for monitoring battery conditions, can be used on motorcycles. Specifications: Material: PC Length: about 5.1cm/2 inch Type: voltage indicator / temperature and voltage / 4 in 1 (optional) Color: red / white / Blue/Green Package include: 1x Digital Voltmeter or 1x Temperature and Voltage Meter or 1x 4 in 1 Meter Note: Please allow 1-3cm error due to manual measurement. Please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item.