Durable 304 Stainless Steel Probe: The gauge features a robust probe made of high-quality 304 stainless steel with contacts, ensuring long-lasting durability and reliable performance in wet environments. Portable 9V Battery Operation: This water level gauge operates on a 9V battery, doing away with cumbersome power cords and enhancing its portability, making it perfect for construction sites and remote areas. High Accuracy with Sound and Light Indicators: The receiving system includes a continuous buzzing sounder and an indicator light, along with a peak display for voltage readings, ensuring precise measurements of water levels. Ergonomic Reel with Carrying Handle: Crafted for user comfort, the reel has a balanced design and is equipped with an easy-to-hold carrying handle as well as an efficient braking system for smooth and controlled use. If you have any questions about this product or need further information, please feel free to contact us promptly. We are more than willing to provide you with positive feedback and friendly service, Manufacturer: TNPLKIUYT