The usual formula is used to summarize the reign of Pekahiah. Here the Hebrew focusing particle rendered behold is added. It is the same particle used in describing the reign of Zechariah (see the comments at verse 15).

Quoted with permission from Omanson, Roger L. and Ellington, John E. A Handbook on 1-2 Kings, Volume 2. (UBS Helps for Translators). New York: UBS, 2008. For this and other handbooks for translators see here .