319436 1. With universal type mechanical tachometer cable interface at the back 2. Easy to install 3. Suitable for a variety of motorcycles Color: Silver Material: Metal Package Size: about 9 x 9 x 9cm Size: about 90 x 67 x 67mm Backlight color: Blue Thread diameter: about 12mm Speed unit: Km / h Operating voltage: DC 12V Wiring: red wire to connect positive pole and black wire to connect negative pole. 1 x Motorcycle LED Odometer Packed in carton