I bought the <span style=”color: #111111; font-family: verdana, arial, helvetica, sans-serif;”>DROK -20 to +100℃ Digital Thermometer, DC 4-28V Indoor Outdoor Thermometer at Amazon and installed it in my vehicle today. It functioned properly for about five minutes, then the outside sensor display switched from the OAT to “ERR”. I extended the sensor wire by about one meter, in order to mount it under/inside the front bumper. Again, the device initially worked fine.</span>