Liquid level sensor float switch. Features: Can be used to sense liquid level in tanks; can activate pumps, indicators, sirens or other devices. Specifications: Material: Plastic Color: BlacCertification: CCC Item Type: Switch Model: Water Level Sensor Float Switch Switch Type: Remote Switch Power: 10W Switch Voltage: AC 100V Switch Current: AC 0.5A Electric Strength: AC1500V/Imin Rated Temperature: - 20 to +80 degrees Celsius Cable Length: Approx. 400mm / 15.76" Float Length: 85mm / 3.35" Package Includes: 1 X Water Level Sensor Float Switch Note: It can be used with hydroponics, saltwater tanks, freshwater tanks, Gardening, Powerhead Control Aquariums, Pet Bowls, Fish Tanks, Filtration, Heating; But Make sure Your Project Is Mercury Free Before Use