The DS9092 iButton reader is used to read and transfer the data from DS19xx series iButtons through the 1-Wire interface and enable the identification of the driver.The DS9092L iButton reader is used to read and transfer the data from DS19xx series iButtons through the1-Wire interface and enable the identification of the driver. This reader has an additional LED.Both iButton readers show who is using the vehicle, at what time, and who is in charge of it. In case any discrepancies arise during the identification process, it is possible to block the vehicle’s engine and notify the driver by an audio sign a land send the warning to the monitoring and control system.