3 Pcs Plastic Water Level Sensor with Horizontal Float Switch for Aquarium

General description Can be used to detect the liquid level in a tank, easy to use. A level sensor is a device used to detect the liquid level in a tank, and it can operate a pump, display, alarm, or other devices. This product is suitable for various applications including hydroponics, saltwater tanks, freshwater tanks, gardening, aquariums for power head control, pet bowls, fish ponds, filtration, and heating. Technical specifications Switching Voltage (Max): 100V DC Switching Current (Max): 0.5A Installation This liquid float switch can be installed as a normally closed or normally open switch as needed.