Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Sensor resolution | Angle | Released | Latest software |
| --- | --- | --- | --- | --- |
| TrackIR 1 | 60k pixels (e.g. 300×200) | 33.0 | 2001.0 | Version 3.x |
| TrackIR 2 | 60k pixels (e.g. 300×200) | 33.0 | 2003.0 | Version 3.x |
| TrackIR 3 | 355×288 | 33.0 | 2004.0 | Version 4.x |
| TrackIR 3:PRO | 355×288 | 33.0 | 2004.0 | Version 4.x |
| TrackIR 4:PRO | 355×288 (sub-sampled at 710×288) | 46.0 | 2005.0 | Version 4.x |
| TrackIR 5 | 640×480 | 51.7 | 2009.0 | Version 5.x |
Question:
What model was released in 2005?
Answer:
TrackIR 4:PRO