When I went to buy just to see their monitoring equipment store inside the HDB CCTV to do promotions, then see this in such a low price HDB CCTV thought he dazzled wrong, after I repeatedly determined I had to believe that this is a HDB CCTV is really the kind of price in it, I have to buy before the Internet query like to monitor equipment price, the shop inside the HDB CCTV price but want to discount a lot than I read on the Internet at the time, was a preferential price to see so I flew down to buy it, I was the first time to buy this price and the quality is very good products.