Provides power for LED lighting and small electronic devices in residential bathrooms, hotels, and public restrooms by using flowing water to generate local electrical power. Suitable for homeowners and enthusiasts seeking an innovative solution for intelligent home integration and 12V DC loads. Robust construction with rust surfaces and easy installation; designed for long life with over 3000 hours of operation; a practical addition to green energy setups. 12V output voltage for compatible low wattage loads; starts at a water pressure of 0.05 MPa; delivers stable performance with minimal noise, at or below 55 dB. Key compatibility and performance attributes: designed for use with LED lighting and small electronic devices; suitable for integration into residential, hotel, and public restroom environments; emphasizes reliability, durability, and clean operation. Use scenarios: 1) In a home bathroom or shower area, powers vanity LED lighting and small electronics during water flow. 2) In hotel bathrooms or public restrooms, provides local 12V power for lighting and small devices without extensive wiring. 3) As part of a green energy or smart home system, supplies a local 12V power source for compatible sensors and controllers, supporting energy efficiency goals.