Feature 1The probe is made of stainless steel, which is corrosion resistant, not easy to rust, and has a long use time. 2The product is suitable for tap water,well water,river water,sea water,sewage,highsensitivity pure water,air conditioning water and distilled water. 3Not only a single alarm to remind the decibel, it can be adjusted between 90105 decibels. 4After the alarm sound is remembered, there is no need to turn off the power or switch, just press the mute button to stop the alarm sound. 5With mounting ears, it can be fixed with screws, making installation and use more convenientItem Type: Water Level Alarm SensorMaterial: ABSAlarm Volume: 90-105 decibels (adjustable)Power Supply Voltage: AC220VWorking Temperature: -15-60Detection Distance: Up to approx. 15 meters / 49.2ftMaximum Load: 250V, 5A, 1000WProbe Output Voltage: 8V .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xWater Level Alarm SensorNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.