The sounder are 2 stage alarms with high sound output; Continuously
Rated; 3 wire polarized DC (Not additional voltage option) & AC, or 2 wire bi-polar for DC only; 110dB(A) @ 1 meter
Industrial audible & visual alarm in 110dB(A) @ 1 meter IP65
Use in industrial applications
Red flame retardant ABS plastic enclosure