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Built for use in harsh environments, the heavy-duty Howler range of standalone site alarms boasts many unique features. With all the working parts protected within a heavy duty aluminium body, these rugged alarms offer a semi-permament solution for demanding working environments.
The HM3 model incorporates a simple push on/key off switch for easy operation. Virtually indestructible aluminium body. Supplied complete with 9v PP9 Battery.
This product is also supplied with the following options (Please allow 1 - 3 working days for delivery):
interlinkable unit for extended coverage,
complete with strobe light for increased impact,