Wow. what a big difference! Can I find cctv in hardware wholesale? I want to buy and install this on the top of the wall in our balcony. Someone sent this site http://www.thegreenbook.com/products/hardware-wholesalers/. Having a hard time in searching the products in their site. Where did you buy yours? Can you please recommend the one that you've tried before that has good quality pictures? Big thanks!