85mm 4000RPM IP67 Waterproof Tachometer with 7-Color Backlight for Car/Boat (Black)

Features:1. High-quality material: Made of stainless steel and ABS, it can be used in acidic, alkaline, and humid environments, is durable, and has a long service life.
2. IP67 waterproof and dustproof: IP67 waterproof and dustproof, with curved, anti-fog glass, no need to worry about damage caused by inclement weather.
3. Excellent performance: Low power consumption, long service life, and high precision. With an ultra-wide working voltage design, the long-term operating voltage is 9-32V, with a maximum of 36V.
4. Easy installation: Easy to install, with a detailed manual that clearly describes the installation, wiring, and usage functions.
5. Wide application: Suitable for a full range of driving instruments, can be used for cars, engines, boats, RVs, yachts, engineering machinery, etc.
Specifications:Item Type: Tachometer
Material: ABS + Stainless Steel Actuator
Lighting Color: 7 Colors (Adjustable)
Signal: Pulse Speed ​​
Range: 0-4000 RPM
Operating Voltage: 9-32V DC
Installation Size: Approx.85 mm / 3.35 inches and ensure there is at least approximately 55 mm / 2.17 inches of clearance behind the dashboard
Operating temperature: -30℃ to +75℃
Storage temperature: -40℃ to +80℃
Power supply: suitable for cars, engines, boats, saloon cars, yachts, engineering machinery, etc.

How to use:Wiring method: The black wire connects to the negative terminal, the red wire to the positive terminal, the blue wire to the RPM signal, and the yellow wire to the backlight.Operating instructions: 1. Press and hold the black button on the back of the instrument for 3 seconds to enter adjustment mode (exit mode if no operation is performed after 3 seconds). 2. After entering adjustment mode, press and hold the button until the value gradually increases. Release the button and press it again until the value gradually decreases. 3. After adjusting to the desired value, release the button for 3 seconds, and it will be automatically saved. If the setting is inconsistent, please reset it. Adjusting the backlight color: A short press of the black button will adjust the backlight color. It can be a single color or automatically change colors.
Package List:1 x Tachometer
1 x Instruction Manual
1 x Screw Cap