1 Channel Windshield Mount DVR with 8GB SD and OBD II T-Harness VHL3Z-19G490-C Everything you need to install a Thinkware DC-E1-FG into your Ford vehicle 2 Channel Windshield Mount DVR with Rear Facing Camera 16GB SD and OBD II T-Harness VHL3Z-19G490-D Everything you need to install a Thinkware DC-M1-FG and Interior Rear Facing Camera into your Ford vehicle 2 Channel Windshield Mount DVR with Interior Facing IR Camera 16GB SD and OBD II T-Harness VHL3Z-19G490-E Everything you need to install a Thinkware DC-M1-FG and Interior Facing IR Camera into your Ford vehicle