The Portable Borehole Water Level Meter Sensor comes complete with a shrouded stainless steel probe, a buzzer with adjustable volume control and sensitivity control, as well as a strong winding reel with a brake and carrying handle. The moisture-resistant electronics and standard 9V battery are housed in the front of the meter for convenient access. The Water Level Meter, with all of these characteristics, is a vital tool for any water testing or monitoring application. You can rely on this dependable tool to deliver precise results every time.