[ Waterproof Metal Shell & Chip Technology ]This motorcycle speedometer gauge is made of High quality metal shell, totally waterproof and allows to withstand slight collision. Electrical components that adopted chip technology, stable performance and high precision.[ Super Function ]LED digital Speedometer Tachometer Oil Level Meter, which can indicates your speed precisely, enhance your road safety.[ BackLight & Anti-Glare ]Clear lens with back light, anti-glare and easily viewing at all angles during lighting conditions or in the darkness.[ Universal Fit ]Easy to install with existing bracket and universal fit all motorcycles with 12V power supply. Such a practical tool you will need it.Backlight color: LED with signal lamp (adjustable 7-color light)Mounting hole diameter: about 10 mm / 0.39 INCHWorking voltage: DC 12VFunction: speedometer, odometer, tachometer and oil level gauge multi-function display screenApplicable models: most motorcyclesWiring:Green to positiveBlack to speed displayBlue and white backlightRed and black lines to oil level(press and hold the black button on the back for 3 seconds to switch the backlight)Material:Aluminum alloycolour:blackPackage Contents:1 x Motorcycle odometerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.