Description: 【Power Compatibility】: This high precision water level monitor is designed to work with a wide range of power inputs, accommodating AC 110V~250V, ensuring seamless integration into various home environments 【Reliable and Accurate Measurements】: With a liquid level range of 0.1m to 4m and an impressive accuracy of ±0.02m, this device provides monitor for both water and oil tanks, making it an essential component for smart home automation systems 【Weather Resistant Design】: Constructed from PC material and boasting an IP65 protection rating, this device is built to withstand harsh environmental conditions with a working temperature range from 20 to 50°C 【Comprehensive Package】: Featuring a generous cable length of 3 meters and a power adapter, providing everything you need for easy installation and immediate use in monitor your tank levels effectively 【Remote Oil Tank Monitor】: Check your tank level from your smartphone ! No need to open the tank from time to time Specification: Material: PC Adapter: AC 110V~250V Sensor power supply: ≤ 100mA@ 5V DC Liquid level range: 0.1m to 4m Accuracy: ± 0.02m Working temperature:- 20-50°C Protection level: IP65 Line length: 3m Size Chart: 8cmx8cmx4cm/3.15inchx3.15inchx1.57inch  Package Includes: 1 Water Level Detector 1 Power Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.