• H.264 dual-stream video compression
• Compatible with AHD 1080P, AHD 720P, Analog 960H/D1
• AHD new technology 1080N(960x1080) Decoding & Recording, 1080P image quality while save 50% storage space
• 2*USB2.0, USB Disk up to 32G(Kingston)
• Audio talk back supported
• Support 10M/100Mbit/s network interface
• Mobile surveillance supported,Including iPhone, iPad, Android
• Support browser IE 6.0 Above
• Free ISS PC, ISS Mobile Management software
• Free DDNS server: HDCCTVDDNS
• HDMI & VGA 1080P HD Diaplay
• Max 4TB per HDD

Qihan Technology Co., LTD is one of the leading factories which develops and produces CCTV products in China, supported by the Chinese government as the most importantly developed company.Qihan has a R&D headquarter in Shenzhen high-tech research center, possessing the most advanced patent for electronic R&D technique, leading us to be among the best in China.

Each month we produce about 80,000 units of cameras and 20,000 units of DVRs, and our capacity is about 100,000 units of cameras and 50,000 units of DVRs monthly. Which accounts for nearly 38 million US Dollars in value in the year of 2011. All the high-tech electronic components are integrated by machine automatically, and the semi-products are assembled in our 12 professional production lines.

Please contact the dealer/ retailer/ e-tailer/ system integrator or the distributor where you purchased the unit. They can help you to order the parts.

2 . I bought a refurbished QIHAN device but it is dead on arrival (DOA), what should I do?