1pcs Tank Pool Horizontal Water Level Switch Liquid Level Sensor Liquid PP Plastic Ball Float Switch YD044-SZFeatures:100% Brand New.Material: PPContract rating (Max): 10WSwitching voltage (Max): 110VDCSwitching current (Max): 0.5ABreakdown voltage (Max): 220VDCCarry current (Max): 1AContract resistance (Max): 100 OHMTemperature rating: -10 ~ +60 Celsius degreeA float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other device.Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, or what ever your project may beContains no mercuryNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you for your understanding!