Housed behind an attractive standard switch plate, is the unique flush mounting Liquid Level Alarm. Purpose built for the modern home environment, where septic, wastewater and rain water tanks, both above ground and below ground, have become a common feature. This discreet device blends with the decor of any home. The level alarm can be used for either low or high level alerts and provides for a safe, low voltage cabling installation between tank float switch and display unit.