Features: These Float Switches Set offers reliable water level detection, capable of activating pumps, indicators, or alarms, making it essential tool for efficient liquid management. Crafted from high quality plastic, these float switches corrosion resistant and , ensuring long terms Performances even in challenging environment . Ideal for hydroponics enthusiasts, Aquariums hobbyists, and gardeners, this float Switches set is designs to meet diverse water monitoring needs with Precisions. Perfect for use in saltwater tanks, freshwater tanks, and horticultural setups, these switches provide a Multifunction solution for controlling pump heads and maintaining best water leveling . With easy installation and high sensitivity, these Float Switches Set enhances your water management system, offering peace and operational efficiency. Specifications: Component : plastic Working voltages: 0-220V Cable length: about 40cm/16inch Ball length: about 8.5cm/3.4inch Package Includes: 5xWater Level Sensors note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.