unpowered switch

hi, my equipment consists of

hikvision DS-7616NI-E2-16P-A nvr
hikvision DS-2CD2042WD-I 4MP cameras x4
hikvision DS-3E0109P-E poe switch

i want to run my camera cables into my loft space and plug them into my poe switch then have one cable running down from the switch to my nvr which is in my living area. my problem is that i have no power outlet in my loft to power a poe switch. the reason i bought this particular switch is because it says this on the hikvision website

"Hikvision 8-ports...

unpowered switch