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 hinder riding and guarantee your safe riding Display timing and voltage functions to meet your different needs, with USB charging function. 9-24v fit for most motorcycle Specification: Item Width: 65mm Diameter: 65mm Item Length: 65mm colour: black Material: ABS 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 Package Contents: 1 * Voltmeter 1 * Water Temperature 2 * Screws(M6 and M8) 1 * Bracket Only the above package content, other products are not included.