Features and services may vary depending on the Set Top Box chosen. The price of hard disk shown above is on the on the basis of 500GB external hard disks available in Mumbai as on date 24th September 2012. The feature of “Watch one and Record Two” means that you can record a program on one channel while watching it and recording the second one at same time. The number of hours of content being recorded is dependent on the bit rate of channel hence may vary from 775 - 175 hours. REC” display shown on the product image is for representation only and may not be in the actual product. For HD DVR, the free package is One month of Platinum HD pack. HD DVR is available only in select cities.