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Howler HSA1 Site Alert Master Unit

Howler HSA1 Site Alert Master Unit

Code: HOW014HSA1MU
£380.52 ex VAT
(£456.62 inc VAT)

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Howler HSA1 Site Alert Master Unit to make occupants aware of events such as fires.


  • Cost-effective, robust and weatherproof design
  • Wirelessly connects to up to 30 Subsidiary Units
  • Battery operated – doesn’t require mains power
  • Simple on/off switch with light for dark areas
  • Automatic battery test facility
  • Clear signage
  • Easy to install

Please allow 1-3 working days for delivery.

View our full range of Howler Site Alarms.

click to toggleTechnical Specifications for Howler HSA1 Site Alert Master Unit
Dimensions:H260 x W160 x D100mm
Battery:PP3 9v (supplied)
Operating temperature:-15�C to 40�C
Operating frequency:868Mhz
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