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Howler HSA1 Site Alert Subsidiary Unit

Howler HSA1 Site Alert Subsidiary Unit

Code: HOW014HSA1SU
£419.16 ex VAT
(£502.99 inc VAT)

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Howler HSA1 Site Alert Subsidiary Unit for providing temporary alarm coverage on a building site.


  • Cost-effective, robust and weatherproof design
  • Wirelessly connects to up to 29 other units via a Master Unit
  • Battery operated – doesn’t require mains power
  • Simple on/off switch with light for dark areas
  • Automatic battery test facility
  • Clear signage
  • Easy installation

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 Subsidiary Unit
Dimensions:H260 x W160 x D62mm
Battery:PP3 9v (supplied)
Operating temperature:-15�C to 40�C
Operating frequency:868Mhz
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