Eco-Friendly Solar Power: Powered by a robust solar panel, this sensor ensures uninterrupted operation without the need for external power sources, making it ideal for remote locations. Advanced Connectivity: Easily monitor water or oil levels in your tank using our ME201WS sensor, which connects seamlessly to your mobile device via WiFi. Stay informed with instant notifications and alarms. Versatile Monitoring: Suitable for both water and oil tanks, the ultrasonic technology provides precise measurements, avoiding the need for manual checks and ensuring efficient resource management., Weight: 1.34041055296 Pounds, Manufacturer: Aboiled