Features: 1. For Fuel Sending: This fuel sending unit monitors the fuel level and ensures stable fuel flow, facilitating consistent power delivery. 2. Practical Use: Suitable for use in boats, cars, trucks, and other vehicles; ideal for oil level, water level, and liquid level measurement for clean liquids. 3. Higher Accuracy: Output signal is EU standard 0-190 ohms, with a resolution accuracy of 10mm; includes an alarm switch. 4. Stainless Steel Construction: Features a 316 stainless steel body, PVC cable, and NBR float; durable design for long-term use. 5. Easy Installation: Compact size and lightweight design allow for quick and convenient installation within 15 minutes. Specification: Item Type: Boat Fuel Sending Unit Body Material: 316 Stainless Steel Cable Material: PVC Float Material: NBR Installation Method: Standard SAE 5-hole type Screw Size: M5 x 0.8 Aperture: Approx. 5mm / 0.20in Product Length: Approx. 125mm / 5in Recommended Tank Size: Approx. 135 ~ 150mm / 5.31 ~ 5.91in Output Signal: EU standard 0-190 ohms (0 ohms at empty, 190 ohms at full) Resolution Range: Approx. 10mm / 0.39in Sensor Type: Resistance-based fuel and water level sensor Alarm Switch Rated Current: 500mA Protection Rating: IP67 Operating Temperature Range: -40°C to +85°C Application: Compatible with boats, yachts, trucks, and RVs Package List: 1 x Fuel Level Sensor 5 x Screws 1 x Washer