Jazal lahu a'nna Muhammadan ma huwa ahluhu
May Allah Reward the Prophet on our behalf with
that which he is worth

A specific virtues for a specific Durood:

The reward for a person who recites this Durood once is such that 70 angels will be in difficulty for 1000 days due to it. In other words, they will be tired from writing the rewards of this Durood.