High performance electronic horn, Available as stand-alone electronic horn or with optional xenon strobe beacon, Decibel range 100 to 126 dB(A) @ 1 meter, in five sizes to meet broad range of applications, Up to three stages/circuits in each horn to reduce initial and installation costs when multi-status indication is required, Up to 45 tone sets selectable via dip-switches, Automatic tone synchronization when multiple horns are connected, Lower current consumption compared to electromechanical alternative, Fine volume control via potentiometer to compensate for changing ambient noise, Longer life and maintenance-free due to non-moving parts and highly reliable discrete components, Suitable for outdoor use, 10 tone.