Hi Clarissabel
It says "...and wears the medal for the Crimea with clasps for Alma, Inkerman and Sebastapol, and Turkish War Medal." The first two clasps were set battles, while the Sebastapol clasp was for being involved at any time in the year long siege.
Below this it says: "He has been twice convicted by courts martial, and in addition his name is eighteen times recorded in the Regimental Defaulters Book (punished summarily)."
The key is "Conduct has been exemplary". So it suggests that he carried out every order issued without hesitation, which is what they want. The rest could be for missing an item on parade, being late, or drunk. This may have stopped him being promoted from Gunner (the lowest rank), and he does not appear to have been awarded any good conduct badges. these would have given him a penny a day extra pay. For his service he could have received 4 or 5, so worth having on a pay rate of a shilling or a shilling, one penny a day.
Ken