ITEM NAME:2 In 1 Speedometer Tachometer ABS With Bracket Professional Motorcycle Odometer Features: Material: Made of ABS,black color, it is for replacement of electrical tachometer. Tachometer: Five lines, two red and black lines are respectively connected to the positive and negative power, with terminals of the black line, green line, yellow and black line! Three short lines: black connection positive, green connection negative, black/yellow connection engine speed signal line. Odometer: Two lines, red and black lines are connected to the positive and negative terminals respectively. Professional: Professionals install is strongly recommended to avoid trouble caused by inexperienced installer. Circle Design: The whole body is lightweight design, portable to use. &;nbsp; Specifications: Type: Motorcycle Odometer Material: ABS Color: Black Odometer Dia: About 67mm/2.63inch Full Height: About 126mm/4.96inch Install Large Hole Dia: About 27mm/1.06inch Install Smell Hole Dia:&;nbsp;About 10mm/0.39inch Hole Distance: About 78mm/3.07inch Measurement Accuracy: 0.5 &;nbsp; Package Included: 1pc x Motorcycle Odometer &;nbsp; Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. &;nbsp; &;nbsp; &;nbsp;.Material: ABS. Three short lines: black connection positive, green connection negative, black/yellow connection engine speed signal line. Anyway we will try our best to avoid this kind of thing. Due to the light and screen difference, the item's color may be slightly different from the pictures.