Package Includes: 1x Tachometer 1x Multi-plug socket 1x Installation Instruction How to install it? - Cut an 85mm (3 3/8) hole in the panel and allow a clearance of 70mm (2 3/4”) behind the panel to fit the gauge. Product Features: -Be suitable for all kinds of tacho RPM sensors, and display the rotation speed of the engine. - Put the gauge in the hole and screw down is B07RR8NQ45, B07RN3HJ72.How to use TRIP01 TRIP02 Hour? - TRIP01(Default): hour will be automatically cleared after power off, the data will not be saved. Fitment: Compatible with 2018-2025 Can-Am Maverick Trail 800 / Trail 800R / Trail 1000 / Trail 1000R / Sport 1000 / Sport 1000R / Sport Max 1000R · FEATURES If not, you can turn down or turn up speed ratio to check RPM difference. How to adjust backlight? - Power on the power supply first. - Hour hour will be automatically saved after power off. - Color in sequence: Red(Default)-Green-Blue-White-Yellow-Kelly-Orange-Purple-Auto Mode. B07RN3HJ72 or B07RR8NQ45 Why Don't get RPM signal ? Tachometer sometimes cannot get signal by ignition system. - TRIP02: hour will not be automatically cleared after power off. Users need press the back SET button for 3-5 seconds to clear. 8 Colors Backlight: Red, Green, Blue, White , Yellow, Grass, Orange, Purple, Automatic This item: ELING Tachometer Tacho Gauge 6000RPM for Auto Marine Yacht Vehicle with 8 Colors Backlight 85mm 9-32V $3999 + Geloo 85MM GPS Speedometer Gauge Boat MPH Speedometer Waterproof 0-80MPH 0-120KM/H Marine Speedometer Odometer LCD Indicators with 7 Backlight fit Car Truck Motorcycle Speedometer GPS Gauge Auto 9-32V ELING Watepoof 0-6000PM Outboad Tachomete PM Gauge Fo Car Truck Boat Yacht With 8 Colors Backlight 85mm 12v 24v%2f16400409446 Tachometer can get signal from engine, ignition coil, crankshaft sensor, or tacho sensor (be sold separately), etc..If you need tacho sensor, pls. search for ASIN NO. - Press the back SET button or Multi-function button (less than 2 seconds) to change the back light color. Details refer to owner manual. 9-32VDC(12VDC/24VDC) Working Voltage, 100% Waterproof and anti-fogging protection then adjust speed ratio from 1-300 according to your request. 3. After setting, Data is automatically saved. 4. Please note: If your sensor is installed on the flying wheel panel, the RPM ratio is equal to the number of gears of the engine; If the speed signal takes from W-Terminal, the RPM ratio is equal to the half of the number of poles. 5. Normally, When the engine at idle state, tachometer shows 600-800rpm that means speed ratio is correct. Mercury Outboard Tachometer Universal 3 IN 1 Car Gauge 6000RPM Tachometer +8-16v Voltmeter+Fuel Level Meter 7 Color LED Backlight For Car Marine Boat Tachometer For Small Engines Open a 3-3/8 dimension and 2-3/4 depth hole, put gauge into it and fasten