The Indoor APak® Alarm System provides an audible and visual warning in the event of high liquid in pump basin. The system comes with a 15' reed sensor-style float switch and a 6' power cord. Zoeller®, 10-4011, Alarm, Indoor, Series: A-Pak, 80 dB Sound Level, 10 ft Detection, 120 V, 60 Hz Frequency, (2) AA Battery, 6 ft Cord Length, Mechanical Float Switch, Red Light Indication, LED Display, NEMA 1 Enclosure