Specification: 85mm tachometer comes with 0‑4000RPM measurement range, LCD display, a black dial, silver 316L stainless steel bezel, high transparent lens and luminous red pointer. Accurate Display: Adopt stepper motor drive pointer, precisely display the engine speed with high indication accuracy and relatively simple driving and control. High Performance: IP67 waterproof and dustproof, corrosion resistant, durable to use even in acid, alkali and humid environments, and the curved glass features good anti‑fog effect. Low Power Consumption: 9‑32V ultra‑wide long‑term working voltage, and maximum up to 36V (≤1 minute). Come with the harness connector to achieve better and secure connection, so as to work normally even under strong vibration. Wide Application: For generator sets, ships, construction machinery, agricultural machinery, automobile modification, etc. and for 12/24V Car, Truck, Boat, Diesel Generator Engine, 1‑8 Cylinder Gasoline Engine., Weight: 0.31305641204 pounds, Manufacturer: Luqeeg