A San Francisco company is helping hundreds of thousands of families across california, including the bay area with a tool to protect themselves on the Coronavirus Fight kron fours Jonathan Mccall has details. It was back to school tuesday for students in pittsburgh. For the first time in months they return to campus but only to pick up the items left behind in their classrooms. But they do drive away with more than just pens and paper 2000 families also took home digital thermometers. District Officials Say the small devices will provide a big boost for families in the Coronavirus Fight these are really amazing thermometers they provide helpful tips. For our families and theres an app can next to the phone. To provide tons of information back to the families of these 2000 thermometers are just a fraction of the 400,000 being donated to School Districts across the golden state. For free. All courtesy of San Francisco based can to help the thermometer is especially in these very challen