Aquaticlife Hanging Kit

[Juiced19]

im looking at getting this hanging kit. Do i have to drill holes in the wall or what does this mount too? Thanks!

http://www.marinedepot.com/AquaticLife_Stand_Light_Fixture_Hanger_Hanging_Kits_for_Aquarium_Light_Fixtures-AquaticLife-AK01209-FILTACMOFTHK-vi.html