sensor air - water level float horizontal

100% Brand New Material: plastic Color: black Switch power(Max): 10W Switching voltage(Max): AC 100V Switching current(Max): AC 0.5A Electric strength: AC1500V/Imin Contract resistance: ＜200 milli-ohm Temperature rating: -20℃ ~ +80℃ Cable length: About 400 mm / 15.76" Float length: 85 mm / 3.35" It can be used to sense the level of liquid in a tank; can activate a pump, an indicator, an alarm or other device Note: It can be used with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating; but must make sure your project Contains no mercury before you use it! Package Included: 1pcs x Water Level Sensor Float Switch