-in-one voltmeter, Schedule, Chronograph, Water temperature gauge, Voltmeter, Usb charging.<br> LED panel digital display, second reading, more intuitive, fast and convenient.<br> Small size, easy to carry, will not riding and your<br> Display timing and voltage functions to your different needs, with USB charging function.<br> 9-24v fit for most motorcycle<br> Specification:<br> Item Width: 67mm<br> Model Name: SMCP301<br> Diameter: 67mm<br> Item Height: 100mm<br> Item Length: 67mm<br> How to use:<br> 1. Connect the black wire to the negative of the power supply and keep it connected<br> 2. Connect the red wire to the of the power supply and keep it connected<br> 3. Connect the blue wire to the switch to control the switch of the multi-function meter<br> colour: black<br> Material: ABS<br> Package Contents:<br> 1 * Voltmeter<br> 1 * Water Temperature<br> 2 * Screws(M6 and M8)<br> 1 * Bracket<br> Only the above package content, other are not included.<br> Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.