DLH-ETG-M micro integrated water level gauge is a plastic sealed structure, built-in rechargeable battery, and supports multiple protocol communication. It has the advantages of compact size and easy installation, no blind spots, high sensitivity, strong anti-interference ability, IP68 high-level protection, and strong corrosion resistance. It is not affected by sediment and debris and can be used for water level measurement in municipal roads, concave bridges, culverts, and other places.