[Machine] The Messenger of Allah ﷺ said: There are three obligations upon me, and optional acts for you: the sacrifice, Witr prayer, and the two units of prayer before Fajr prayer.
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ ثَلَاثٌ هُنَّ عَلَيَّ فَرَائِضُ وَلَكُمْ تَطَوُّعٌ النَّحْرُ وَالْوِتْرُ وَرَكْعَتَا الْفَجْرِ