Fuel, oil, or water levels. 

Cable Length: 18" from connector to smart module. 10ft from module to end of cable 
Wires to connect to: Existing fluid level arm or potentiometer 
Resistance values of operation: 33 (full) to 240 (empty) Ohms 
Fluids:  Any fluid container with a proper fluid level arm (Fuel, Oil, Water, etc..) 
Hole required to route through a bulkhead: 7/8" (22mm) 
Package: The EP-65R and a LowranceNet T 
Multiple EP-65R sensors possible: Yes

For use with LowranceNET networks with red connectors (do not connect to blue connectors).