ELING Tachometer RPM Gauge with Hour Meter for Car Truck Boat Yacht 0-8000RPM 85mm with Backlight;

Product Features:
-Be suitable for all kinds of tacho RPM sensors, and display the rotation speed of the engine.
-Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration.
-IP67 waterproof and dustproof grade
-Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.
-With curved glass (with anti-fogging function)
-With ultra-wide working voltage design( long-term operating voltage: 9-32V, Maximum up to: 36V (≤ 1 min)).

Technical Data:
-Fixing dimension: 85mm(3-3/8")
-Indicating Range: 0-8000RPM
-Speed Ratio: 1-300 adjustable
-Suitable for diesel engine and gasoline engine
-There is a button in the back of tachometer, you can press it to adjust speed ratio.
When engine is in idle state, tachometer shows 600-800RPM, it means speed ratio is correct.
If not, you can turn down or up speed ratio to see the difference of tachometer needle.
-Working Voltage: 9-32V(12V/24V)
-Backlight: Red
-Functions: current tacho/RPM and hour, hourmeter cannot be reset.
-Operation mode: LCD display, stepper motor

Package Includes:
1x Tachometer
1x Multi-plug socket
1x Installation Instruction