Sound level outputs are up to 123dB(A) at 1 metre with a choice of 45 alarm tones and 4 remotely selectable stages. The alarm tone frequencies for the first 2 stages are independently selectable.
The GNEx range features enclosures manufactured from GRP (glass reinforced polyester), moulded in natural red, but also available in other colours.
The re-entrant flare horn is high impact, fire retardant ABS. All models have two M20 cable entries, large termination areas containing in and out terminals and an ingress protection of IP66/67.