The Howler heavy duty site alarm is designed for use on bulding and construction sites, where a traditional fire alarm system would not be suitable.

• Robust aluminium body
• Durable powder coated finish
• Suitable for indoor and outdoor applications
• Self-contained unit
• IP65 (weatherproof) rated switches
• Easy to install
• Available in 4 versions:
  • HM1 Push on/push off switch
  • HM2 Push on/Twist off switch
  • HMCP resettable conventional call point switch
  • HM3 Push on/key off switch (key off provides additional security)
• 20db alarm output
• Battery operated (9V PP9 battery supplied)
• Dimensions (HxDia) 3110x200mm