ELING 2" Waterproof Diesel Tachometer 0-4000 RPM Gauge Kit with Hourmeter for Auto Car Boat with Red Backlight 12V 24V (4K-Black+Stainless Steel)

Open a 2" dimension and 2-3/4" depth hole, put gauge into it and fasten Indicating Range: 0-4000RPM, Speed Ratio: 1.0-360 adjustable.

Suitable for diesel engine and gasoline engine.

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.

B07RN3HJ72 or B07RR8NQ45 It shows rpm and hour.

Hourmeter cannot be reset.

Red Backlight,1 year Warranty, 100% Waterproof and anti-fogging protection