A Black coloured buzzer/sounder unit with all-round 360º sound output at 90 dB. It has been optimised for use in industrial and machine environments and has a choice of 4 different alarm patterns controlled by DIP switch settings :-
1) Rapid Intermittent Beep.
2) Continuous Beep.
3) Rapid Hi-Low Beep.
4) Sweep Sound.
The buzzer unit provides the control for flashing the LED signal lights, giving a flash rate of 60 ±2 Flashes per minute.