Compatibility: Specifically designed for drum washing machines, this water level sensor switch has a wide range of compatibility and must fit specific washing machine models to function properly. Premium Material: Constructed from quality metal and PP, ensuring long-lasting performance and reliability in your washing machine. Compact Design: Features an irregular shape with a compact size of approximately 4cm/1.57inch, making it easy to install without taking up unnecessary space. High Sensitivity: Quickly responds to changes in parameters like vibration and imbalance. High-precision sensing device ensures accurate detection of water level, temperature, and load size. Easy Installation: Designed for straightforward installation, allowing you to replace your old or faulty sensing unit effortlessly and restore optimal functionality to your washing machine. Specification: Material: Metal, PP; Size: Irregular Size 4cm/1.57inch. Package Includes: 1 Drum Washing Machine Water Level Sensing Switch. Note: Please allow slightly errors due to manual measurement (1-2cm/0.39-0.79inch differences). Color: As shown in the picture.