Table:
text: TrackIR
Technical details
TrackIR model comparison
Model Sensor_resolution Angle Released Latest_software
TrackIR 1 60k pixels (e.g. 300×200) 33 2001 Version 3.x
TrackIR 2 60k pixels (e.g. 300×200) 33 2003 Version 3.x
TrackIR 3 355×288 33 2004 Version 4.x
TrackIR 3:PRO 355×288 33 2004 Version 4.x
TrackIR 4:PRO 355×288 (sub-sampled at 710×288) 46 2005 Version 4.x
TrackIR 5 640×480 51.7 2009 Version 5.x

Question: Which model was released for TrackIR in 2005?