The value will increase when you press the button. When you leave the button and then press it again, the value will decrease. The minimum step value is 0.1 and the adjustable range is 1.0-360.0. Sensor are not provided with this gauge.
eBay
0-190 ohm Car Boat Digital Voltage Meter Voltmeter Ammeter Fuel Gauge with A5 Oil Tank Level Meter Sensor 100~500mm DC 12V 24V
Aliexpress UK
High-brightness LED backlight. Backlight:7 Colors Backligt. Suitable for all kinds of vehicle modification. IP67 waterproof and dustproof grade.
eBay
Kebidumei Digital Engine Tach Hour Meter Tachometer Gauge Engine RPM LCD Display Waterproof For Moto Marine Chainsaw Pit Boat
Aliexpress UK
Three unit can be swicthed: knot; mph; km/h. If you have another car products to need, we are more glad to help you! Contract US.
eBay
Auto Car Gauge 2" 52MM Voltmeter for Marine Boat Car 8-16V VOLTS IP67 Waterproof Volt Meter Indicator with Red Backlight
Aliexpress UK
Versatile Compatibility: The boat trim gauge is compatible with a wide range of boat models and is suitable for various marine applications, ensuring its usability for different needs and preferences.
eBay
0-190 Ohm Digital Water Level Gauge Waterproof +150-600mm Water Level Sensor with Red Backlight 9-32V for Yacht Marine Boat Car
Aliexpress UK
Indicating Range:0~6000rpm. Installation: lock the gauge to baseboard directly by hand. Uses stepper motor drivers to display vehicle speed. Signal:1.0~10.0.
eBay
Waterproof Digital Engine Tach Hour Meter Tachometer Gauge Engine RPM LCD Display For Motorcycle Motor Stroke Engine Car Boat
Aliexpress UK
Backlight Color: 7Colors LED. Hope it is OK for you. Working Current: ≤100mA. 1 x Installation Instruction. 1 x Standard Cables.
eBay
52mm TFT Screen Speed Gauge GPS Speedometer with LCD Odometer for Boat Car Motorcycle 9-32V
Aliexpress UK
Complete oil level gauge assembly for outboard engines of marine, boats and yachts. Engine Position: Outboard. Item Type: Boat Fuel Tank Gauge. 1 x Boat Fuel Tank Gauge. Fuel Type: Gasoline. Simple installation and operation.
eBay
Universal 0~120 Celsius Water Temperature Gauge with Sensor Fit for 12V~24V Car Boat Marine Digital Temp Water Indicator 9V-36V
Aliexpress UK
Triangle Outdoor Shade Sail Patio Suncreen Awning Garden Sun Canopy 98% UV Block. 1 1/8NPT Water temp sensor. Oil Pressure: 0-10 bar (Pressure sensor: 10-184ohm). Yellow: Water Temp. Sensor are not provided with this gauge.
eBay
52mm Digital Clock Gauge 0-12 Hours Pointer 7 Color Backlight Hourmeter For Car Boat Truck Waterproof Clock Meter 12V 24V
Aliexpress UK