The Series NS-NH4 horn strobes and NH horn appliances from Wheelock Inc. feature low-current, selectable tones and universal mounting plates. The horn strobes are available with 15, 15/75, 30, 75 or 110 CD strobe intensities. The NS and NH are 24V 2-wire appliances and the HS4 is a 24V 4-wire appliance. Wheelock Inc.

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