The ALM-2 from Liberty Pumps is a Indoor High Liquid Level Alarm, 86 decibel horn, 20' cord. It's an indoor alarm that features an 86 decibel horn, a test/silence feature and a low battery chirp. The Liberty ALM-1 has a 20' float cord and a 9V back-up battery. This liberty Pumps part is Nema 1 indoor rated and works with sewage and effluent pumps.

Features:

• Nema 1 Indoor rated;
• 115V operation with 9 volt battery back-up;
• 86 decible horn;
• Red alarm light;
• Green "power-on" light;
• Low battery chirp;
• Automatic reset;
• Test / Silence feature;