Motorcycle LED Digital Speedometer Odometer 2 in 1 Voltmeter Tachometer Gauge for Most Bikes Features： 1、2 in 1 design, it is a combination of digital tachometer and voltage display for motorcycle. 2、The housing is 6 chromed electroplating, durable and light. 3、The housing is made of high quality metal material, which has better waterproof effect. 4、Featuring excellent workmanship, stable quality and long lifespan. 5、It is universal for all types of motorcycle, easy installation and practical. Specification： Features: 1. 2 in 1 design, it is a combination of digital tachometer and voltage display for motorcycle. 2. The housing is 6 chromed electroplating, durable and light. 3. The housing is made of high quality metal material, which has better waterproof effect. 4. Featuring excellent workmanship, stable quality and long lifespan. 5. It is universal for all types of motorcycle, easy installation and practical. 6. A necessary equipment that can help you to know the condition of the tachometer Specification: Condition: 100% Brand New Item Type: Tachometer Color: Silver Housing Material: High Quality Metal Voltage: 12V DC LED Color: Red & Blue Voltmeter: for meauring voltage of motorcycle Wiring Instructions: The red wire is connected to the positive pole and the black wire is connected to the negative pole. The emission detection wire is the green wire (the engine's ignition induction line, or the ignition line from the ignition coil to the positive line) Fitment: Universal Package list: 1 * Tachometer Package List：