Features 1、Protection Rating: Our fuel level sensor has an IP67 protection rating and an alarm switch rating of 500mA. 2、316 Stainless Steel Material: The fuel tank sending unit is made of heavy duty 316 stainless steel. The craftsmanship is exquisite, the cable is made of PVC and the float is made of NBR. 3、Reed Switch: This water level sensor is a reed switch, durable and reliable, with stable output signal. The tank does not need to be adjusted. 4、Widely Applied: The fuel level sensor is suitable for boats, cars, trucks, buses and marine areas. Suitable for oil level meter, water level meter and any unadulterated liquid. 5、Easy to Install: The fuel level transmitter comes with washer, mounting screws, written and illustrated instructions, and easy to understand wiring instructions. Specification Item Type: Fuel Level Sensor Material: Main Unit: 316 stainless steel Cable: PVC Float: NBR Mounting: Standard SAE 5 hole type Screw Size: M5 x 0.8 Hole Diameter: 5mm / 0.20inch Product Specification: Approx. 150mm / 6in Recommended Tank Size: Approx. 160-178mm / 6.3in-7in Resolution Range: Approx: 10mm/0.39in Fuel and Water Level Sensor Type: Resistance Alarm Switch Rated Current: 500mA Protection Level: IP67 Operating Temperature: -40°F - +185°F (-40°C - +85°C) Application: Ship, Yacht, Truck, RV Package List 1 x Fuel Water Level Sensor 5 x Screw 1 x Washer