120dB Alarm: 120dB alarm sound keep alarm to notice you until the water is dry or sensor is turned off This is a clever designed practical water leak alarm which is simple to install and easy to use Widely used for aquariums, water , kitchens, warehouses, garages, solar water heaters and so on 120dB alarm sound keep alarm to notice you until the water is dry or sensor is turned off Suitable for: Sensitive sensor is plated with gold and suitable for mineral water, drinking water, raindrops and distilled water, etc 120dB Alarm: 120dB alarm sound keep alarm to notice you until the water is dry or sensor is turned off This is a clever designed practical water leak alarm which is simple to install and easy to use Widely used for aquariums, water , kitchens, warehouses, garages, solar water heaters and so on 120dB alarm sound keep alarm to notice you until the water is dry or sensor is turned off Suitable for: Sensitive sensor is plated with gold and suitable for mineral water, drinking water, raindrops and distilled water, etc