12V Universal Motorcycle Tachometer 13K RPM Shift with LED Backlight. Features: This motorcycle tachometer measure RPM up to 13K max Stainless steel for shell with galss top for DC 12V power supply Specifications: Fitment: for all motorcycle Material: stainless steel for shell + galss top Body color: Silver Backlight color: Blue Working voltage: for DC 12V Outshell diameter: 6.5cm Installation diameter: 1cm Size: 6.7x5.5cm(Dia.xH) Quantity: 1 Pc Note: Install instuction is not included Easy to install but professional installation is highly recommended Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1 x Motorcycle Tachometer