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This site vantech.vn states the following, "Camer dạng vòm - Dome." We noticed that the website also said " Camera hồng ngoại- xem ban đêm." It also stated " Camer dạng vòm - Dome. Camera hồng ngoại- xem ban đêm. Camera chuyên dụng ngoài trời. Camera IP không dây - Wireless. Camera IP chuẩn HD không dây. Camera IP chuẩn HD dùng dây. Camera dùng chip WI Taiwan. Camera hồng ngoại Dot Matrix." The header had vantech as the highest ranking keyword. It was followed by camera vantech, camera quan sát vantech, and camera hồng ngoại vantech which isn't as ranked as highly as vantech. The next words the site used was camera giám sát vantech. Camera surveillance was also included but might not be viewed by web engines.