while this may seem a very specific application, there are many other uses  for low quiescent current 5v dc 12v dc  for example, remote monitoring  stations
{"Image Orientation": "Horizontal (normal)", "Image Software": "Google", "Image YCbCrSubSampling": "[1, 1]", "Image ExifOffset": "70", "EXIF ExifVersion": "0220", "EXIF ExifImageWidth": "1026", "EXIF ExifImageLength": "363"}