Five-in-one voltmeter, Schedule, Chronograph, Water temperature gauge, Voltmeter, Usb charging. LED panel digital display, second reading, more intuitive, fast and convenient. Small size, easy to carry, will not riding and your Display timing and voltage functions to meet your different needs, with USB charging function. 9-24v fit for most motorcycle Specification: Item Width: 67mm Model Name: SMCP301 Diameter: 67mm Item Height: 100mm Item Length: 67mm How to use: 1. Connect the black wire to the negative pole of the power supply and keep it connected 2. Connect the red wire to the positive pole of the power supply and keep it connected 3. Connect the blue wire to the switch to control the switch of the multi-function meter colour: black Material: ABS Package Contents: 1 * Voltmeter 1 * Water Temperature 2 * Screws(M6 and M8) 1 * Bracket Only 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.