The Liberty ALM-2 Indoor Alarm is designed to be used with sump, effluent, and sewage pumps. It alerts the operator of deviations from normal pump conditions. Common abnormal conditions are when the liquid is about to exceed the limit or has already exceeded the standard limit. This Liberty ALM-2 Indoor Alarm utilizes a red alarm light and a green "power-on" light. It includes a test and silence feature. The alarm horn sounds at 86 decibels. The voltage needed to run this alarm is 115V single phase. It has a 9V battery back-up should there be any outages. Its enclosure is NEMA 1 indoor rated. It features an automatic reset. It utilizes a low battery chirp which signals when the battery needs replacement. More details are available in the specification sheets. The Liberty ALM-2 Indoor Alarm is recognized for meeting the required environmental performance standards. Liberty, the company that makes and innovates high quality pumps is relied on by hundreds of professional contractors each day. Liberty has been cited as one of Rochester's Top 100 Companies for twelve years.