[Purpose]: The water level sensor can be used to detect the liquid level in a tank; can activate a pump, indicator, alarm or other device. [High quality material]: The switch has the advantages of high sensitivity and durability. PP material is environmentally friendly and has excellent acid and alkali resistance. [Voltage/Current]: Switching power (max.): 10W; Switching voltage (max.): 100 V DC; Switching current (max): 0.5A; Maximum breakdown voltage: 220 V DC; Maximum carrying current: 1.0 A. [Wide use]: It can be used with hydroponics, salt water tank, fresh water tank, gardening, aquariums for water control. power head, pet bowls, aquariums, filtration, etc. [Package Contents]: 6 x M12 float switch. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences , please refer to the actual item received.