Features:
Adjustable Signal:  0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm.
8 different backlight adjustable:Red-green-blue-white-yellow-yellow green-orange-purple.
Marine Fuel Level Gauge has ultra-wide working voltage design( long-term operating voltage: 9-32V.
IP67 waterproof and Dustproof grade,316 Stainless Steel.
Easy to Install and Wire .
The instrument has the characteristics of high accuracy, long service , seismic resistance, and fog resistance, etc.

Specifications:
Working voltage:9-32V
Operating :-30+75°C
Storage :-40+85°C
Connection
1 . Red-- + 9-32vdc
2 . Black--signal Input
3 . Orange--backlight ( + )
4 . Blue--ground ( - )


Operation :1 . Press the Mode button ( less than 1 second ) to change the backlight color : Backlight changed in sequence : red ( default )green-blue-white-yellow-yellow green-orange -Automatic : As the gauges was set with the automatic , the backlight Purple- ( automaticwill be off for 2 seconds then lighten , And will switch the backlight color as above sequentially.
2.Users could the input resistance as down below operations if you have Fuel / / sewagelevel gauge . Hold the Mode button for 3 seconds toenter the setting mode , back flickering for a whileThe point at the " E " position , and you could selectthe corresponding parameter via pressing the buttonas down 

Package List: K22004
1xGauge 
1xCoil
1xinstructions