It also makes use of a red LED accompanied by an intermittent chirp that sounds every 32 seconds to signify that your battery power is low. One major feature of this unit that stands out from its competition is its durability. When maintained properly, the Ardwolf smoke detector types can operate for as long as ten years with no issues. Its ten year service life is due to its low power consumption and the use of a UL listed battery. It must be cleaned every six months to get rid of dust and must be tested once a month to ensure that it’s in good operational health. The Ardwolf smoke and fire alarm is a versatile unit fit for use in a myriad of places. It works well in many areas primarily because it doesn’t contain any radioactive material. it is suited for areas such as your bedrooms, living areas, and offices but not your kitchens and bathrooms. The Ardwolf is the best battery powered unit in the world today, and it is the most reliable and durable. The cost of this unit is not a problem for many users since it is directly proportional to the services being offered. If you’ve never given the Ardwolf sensor a thought, now’s the perfect time to make a change.