Especially early in the season as well as late in the season for many of us, the temperatures can fluctuate quite a bit. Worried about frozen waterlines or worse, frozen engines? Well with this, minimally you know and can do something about it before any damage occurs. Not only is there a Low Temperature Alarm, but there is also a High Temperature alarm. Perhaps you decided to go and get a bite to eat and left your pet aboard, what happens when the HVAC system decides not to cooperate? Well you’ll will know, and all will be safe. There are many reasons this is a good idea, most of all, is as heat increases perhaps due to a fire just starting, you will be made aware of it.