ITEM NAME:Digital LCD engine hour meter tachometer Tach gauge for race bikes Black U1B1 Digital LCD engine hour meter tachometer Tach gauge for race bikes Black U1B1 U3T6 Wide operating temperature range, is suitable for all gasoline engines. Show engine rpm and time logging operation. Large LCD for easy reading. Inductive design: Just plug the cable to the spark plug. Its function is to restore the system data Programmable interval setting maintenance..Programmable interval setting maintenance. Large LCD for easy reading. Product size: 7.3 4.7 2 cm / 2.9 1.9 0.8in. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.