ECCO® Smart Alarm® SA951 500 Self-Adjusting Back-Up Alarm, 12 to 48 VDC, 0.2 A, 77 to 97 dB Sound

ECCO® Smart Alarm® Back-Up Alarm, Self-ADJusting, series: 500, 12 to 48 VDC, 0.2 A, 960 to 1440 Hz, 77 to 97 dB, 4 in Width, 2.8 in Height, Panel Mount, -40 to 185° F.ECCO® most compact and popular line of back-up alarms, the 500 series provides a cost-effective warning solution with ECCO® quality and reliability. A glass filled nylon housing with epoxy encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. ECCO® 500 series Smart Alarm® measures ambient noise and adjusts sound levels, creating a volume that is safe without being annoying or contributing to noise pollution. Smart alarms eliminate the need for constant manual adjustment and help prevent intentional alarm disconnection.