Audio Bit Rate : 64 Kbps (G.711ulaw)/64 Kbps (G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/16 to 64 Kbps (AAC-LC)
Network
Security : Password protection, complicated password, watermark, basic and digest authentication for HTTP, WSSE and digest authentication for Open Network Video Interface, security audit log, host authentication (MAC address)
Simultaneous Live View : Up to 6 channels
API : Open Network Video Interface (Profile S, Profile T, Profile G (only -F model supports)), ISAPI, SDK
Hikvision products are classified into three levels according to their anti-corrosion performance. Refer to the following description to choose for your using environment.
This model has NO SPECIFIC PROTECTION.
Level / Description
Top-level protection : Hikvision products at this level are equipped for use in areas where professional anti-corrosion protection is a must. Typical application scenarios include coastlines, docks, chemical plants, and more.
Moderate protection : Hikvision products at this level are equipped for use in areas with moderate anti-corrosion demands. Typical application scenarios include coastal areas about 2 kilometers (1.24 miles) away from coastlines, as well as areas affected by acid rain.
No specific protection : Hikvision products at this level are equipped for use in areas where no specific anti-corrosion protection is needed.