52mm Waterproof IP67 Car Boat Fuel Level Gauge with Alarm 0-190 ohm Fuel Level Sensor Oil Tank Indicator fit Marine RV Truck CarSensor Feature:- Protection ank: IP67 - Resolution range: 21 mm - Assembly: SAE standard 5 holes - Rated current for alarm switch: 500mA - Operating temperatures: - 40 to 85 Celsius - Fit for Fuel Level Gauge and Water Level Gauge - Sensor Length :300 mm ,350 mm ,400mm, 450 mm - Mounting: 5 pieces of M5 screws and 2 mm thick gasket - Output signal: 0~190 ohm (Standard European) - Fitment: for Gasoline, diesel, methanol fuel, ethanol fuelConnection of sensor:Blue wire: connect the ground wire Brown wire: connect the gauge signal wire Empty oil level 0 ohm Full oil level 190 ohmGauge Feature:-Face color: White/Black -Fixing dimension: 52mm(2 ) -Indicating Range: 0-100% -Working Voltage: 9-32V(12V/24V) -Material:Stainless steel 316L bezel+anti-fog glass -Waterproof with Alarm Light - Alarm Mode: Red Indicator Light Flashes - Alarm Set Point: