2 QUESTIONS. PLEASE HELP>>> 2007-2008 model

1)Do you know wts the specification for the head lamp light bulb? coz i am gonna to change.

2) This morning when i start my engine......the rev stay at 2000 rev for 1-2 mins and then drop back to abt 900 after warm up....is that normal??coz 2000 seems to me is a bit high? should I go to the dealer?
Thanks!Please help. esp Question 2.