MONITORING WATER LEVEL: Put the alarm probe part into the water and adjust the height. When the water level is lower than the water level, the alarm will alarm. Used in aquarium water level monitoring, sump filtration monitoring sump water level and other applications. EASY TO USE: Easy to remove, easy to clean double-sided adhesive foam tape pad included and suction cup for easy attachment to an appliance. Use button batteries for safe and easy maintenance. WIDELY USED: Help protect your home from potential water damage. Use near sump pumps, plumbing, refrigerators, laundry rooms, dishwashers, washing machines, sinks, water heaters, toilets, garages, and basements. SOUND AND LIGHT ALARM: The alarm of high/low water level can be adjusted at will according to your requirement. Sound and light alarm, and easy to maintain. HIGH QUALITY: Refined from top-quality engineering plastic and electronical elements, the water-level alarm is durable with long service life., Weight: 0.1984160358 pounds, Manufacturer: Hffheer