Description: 【Versatile Power Compatibility】: The Water Level Monitor Instrument is equipped with an adapter that supports a wide voltage range from AC 110V to 240V, ensuring compatibility with various power sources 【Advanced Connectivity and Range】: This device offers seamless communication over an impressive distance of up to 300 meters in open areas, making it ideal for integration into home automation systems 【Wide Measurement Range】: Accurately monitor liquid levels with a precision of ±0.02m within a range of 0.1m to 4m, suitable for both water and oil tanks 【Weather Resistant Design】: Constructed from ABS material, the device boasts an IP65 protection rating, ensuring reliable performance in temperatures ranging from -20°C to 50°C and resistance against dust and water ingress 【Comprehensive Package for Easy Setup】: The product comes complete with a monitor panel, detector, power supply, user manual, and USB charging cable—all packaged in a compact box measuring 17 cmx16 cmx4 cm/6.69 inchx6.30 inchx1.57 inch—providing everything needed for quick installation Specification: Material: ABS Adapter: AC 110V~240V Power Supply: ≤ 100mA@ 5V DC Liquid Level Range: 0.1m to 4m Accuracy: ± 0.02m Working Temperature: -20°C to 50°C  Protection Level: IP65 Adapter Cable Length: 3m Plug: US Size Chart: Package Size: 17 cmx16 cmx4 cm/6.69 inchx6.30 inchx1.57 inch Package Includes: 1 Monitor Panel 1 Inductor 1 Power Supply 1 Instruction Manual 1 USB Charging Cable Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.