PT30 ELD electronic logging device with square black light duty OBDII cable.

Important note:

HOS App Service is not required, it is 100% optional to use our service; but if you need it, this is what we offer: HOS App for $39 to $45 paid monthly. If you prepay 6 months you get reimbursed the full cost of the device and the cable. Yes, this option makes devices and cables free of charge.