Profile: New Tech Alarms, LLC specializes in offering low salt detectors for water softeners. The detector is an easy to install device that alerts when to add salt to the water softener. The unit is designed to alert with a beeping sound when salt needs to be added to the water softener. It comes with a self-drilling screw and is installed with just a Phillips screwdriver. The unit fits contoured or flat lids and lifts off for easy battery change. A 9-volt battery is included with each unit. It works with all types of salt holding tanks such as pellet, rock, or block salt.