This 2-in-1 meter has a stylish appearance and the combination of an odometer and a tachometer gives the user a perfect experience. It can be used not only during the day, but also with its own back light for use in the evening. It is the best choice for motorcycle lovers. Features:Combination of odometer and tachometer is more convenient to use. Internal backlight allows you to see mileage clearly in dark. Allow you to read real-time RPM and driving speed clearly at the same time. The scale and numbers on the dial are clear to read. Bracket raises the height of gauges which saves more space for other devices. Specifications:Material: stainless steel; Color: black; Input voltage: DC 12V; Speedometer measurement: 0-180km/h; Tachometer measurement: 0-13000RPM; Item size:Dial diameter: 68mm; Dial height: 65mm; Screw hole diameter: 10mm; Item weight: 540g / 1.19lb; Package size: 200 * 160 * 130mm / 7.9 * 6.3 * 5.1in; Package weight: 550g / 1.21lb; Note:Tachometer wire connection:Black long line-negative; Red long line-positive; Black short line-positive; Green short line-negative; Black and yellow short line-engine speed signal line; Odometer wire connection:Red-positive; Black-negative; Package list:1 * 2-in-1 odometer and tachometer with bracket