Howler Site Alert RF Alarm - Wireless Subsidiary Unit (HSA1/RF/S)


This Wireless Howler Site Alert alarm is well-known for its robust design. It is, however, a very cost effective construction and is therefore often chosen for building sites where a temporary yet reliable site alarm is required.

The Site Alert is designed to alert the occupants of a building or site of an emergency event such as fire.

  • Wirelessly interlinkable - links up to 30 Units
  • Integral strobe for noisy environments 
  • On/Off switch includes light for dark areas.
  • Radio Frequency with 868Mhz Class 1 Receiver
  • Battery operated no mains power required
  • Continuous automatic disconnection monitoring
  • Very simple and easy to operate
  • Easy to install full instructions included
  • Weatherproof design
  • Low battery warning
  • Needs one Master Unit
  • Batteries included.

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