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 x 160 x 130mm / 7.9 x 6.3 x 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 x 2-in-1 odometer and tachometer with bracket