M50 depth sounder(304 housing, with aviation plug)

Accurate measurement with minimal error. Adapts to various water qualities and operates stably in harsh environments. One-click installation, plug and play. One device covers 97% of water areas. Automatic temperature compensation for more accurate data, suitable for complex environments such as muddy water and sewage, reducing the hassle of manual calibration. Multiple core advantages: won't break when submerged, longer lifespan. Install and use directly, no complex debugging required, suitable for hydrology, water conservancy, marine and other scenarios.