1. Fashionable and beautiful design， full metal housing<br />2. Easy， simple and quick installation<br />Color: Silver<br />Material: Metal<br />Package Size: about 9 x 9 x 9cm<br />Product Size: about 90 x 67 x 67mm<br />Installation hole diameter: about 9.9mm<br />Installation instruction: <br />Wiring: Tachometer has two line groups， namely， two pieces group and three pieces group.<br />2 lines are backlight lines for the instrument， regardless of the positive and negative， connect to the positive and negative pole of lighting line.<br />3 line: <br />  Black wire to connect the positive pole of power supply， power output line of electric door lock<br />  Green line to connect the negative pole of the power supply<br />  Black orange dual color line is the rotational speed signal line<br />1 x Motorcycle tachometer<br />Packed in carton<br /><img src="http://img6.eachbuyer.com/x23/p56/bt526_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt526_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt526_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt526_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p56/bt526_5.jpg" />