Davis Instruments 8225B CarChip E/X with Alarm All-In-One Driving and Engine Performance Monitor, USB Version Plug into your cars on-board diagnostics (OBDII ) port and record every second of every trip Keep your car in peak running condition User settable alarms for speed, acceleration, and driving to monitor your kids driving habits Check emissions readiness before your next smog test For most cards and trucks sold in USA and Canada, model years 1996 and later