A fever is never something to be ignored, and for children they can be especially dangerous. With that kind of importance in mind, the iTherm armband was designed to keep an eye on a sick child without disturbing anybody’s sleep patterns. With the iTherm, parents can set their phone to watch for temperature outliers and send an alert to wake them up if a child reaches that temperature. This way, prompt care can be given and little risk is taken while providing maximum rest. Parents who want to stay in the know during fevers can get an iTherm for $34, arriving in September 2014.