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The HO3 features a simple push on/ key off switch for easy operation. The IP65 rated switch is suitable for indoor or outdoor installation. The durable polypropylene cover gives maximum protection.
Providing a rapid means of raising the alarm in an emergency, the Howler range of site alarms are designed primarily for construction sites and other locations where a conventional wired fire alarm system is either impractical or inappropriate.
The self-contained alarm unit is powered by a 9V PP9 Battery (supplied).
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,
Click here to see our full range of Howler Site Alarms