Wireless IP Camera..want suggestions PLEASE

[primetime]

wanting to buy and install some kind of surveillance system for my brother home, which was recently burglarized, do to an un locked door...I have installed auto locking dead bolts but want to increase the security....because hell even the neighbors were robed the same day from different people fucktards.....

What i want is advise on best products/value on cameras that will actually help.......Any info appreciated ...thanks I know this is probably not a super good place for this particular subject ....but its my favorite website