In the event of a fire, no-one would question the power of this communication. And here at Howler where EVERY Howler begins its existence, we are ever-conscious that each device may, one day, be saving a life. Possibly yours. Every Howler must, therefore, be 100% reliable. The continually growing family of Howlers in our product range have all been developed in response to customer needs. They all aim to help you get the message out FAST. Every time.