Powerful high speed video protocol processor High sensitivity CMOS sensors IR night vision range: 5m Optimized H.264 video compression for low-bandwidth transmission Supports up to 10 users online simultaneously Multilevel user's management and passwords definition Embedded web server for users to visit by IE Supports wireless network (Wi-Fi, 802.11b/g), mobile networks (CDMA1X and GPRS)/mobile phones SD card for local storage Supports SD2.0 and 32GB capacity Supports DDNS, LAN and internet (ADSL, cable modem) Built-in additional microphone Supports bi-directional call and voice broadcast Giving alarm in case of video loss or motion detection Supports image shielding and image snapshot Supports multiple network protocols: HTTP, TCP, IP, UDP, STMP, DDNS, DNS, SNTP, DHCPand FTP Supports remote system upgrade Specifications: Video system: NTSC/PAL Video compression: H.264 baseline profile@level 2.2 Video resolution adjustment: 640 x 480(VGA), 320 x 240(QVGA) Video parameters: brightness, chrominance, contrast, saturation, image quality CMOS parameter adjustment: automatic white balance (AWB), automatic gain control (AGC), backlight compensation (BLG), automatic light control/electronic light control (ALC/ELC) Video frame: PAL: 1 - 25 frame/sec NTSC: 1 - 30 frame/sec Stream format: pure video stream or composite video/audio stream Video compression code rate: 16 Kbit/S~4Mbit/S Audio input: one linear input, impedance: 1KΩ Audio compression: G.726 Audio output: one linear output. One microphone input, built-in/external optional, yellow for built-in and red for external Communication interface: one 10M/100Madaptive Ethernet interface Wi-Fi module: supporting IEEE802.11b/g Power supply: DC 5V Maximum power: <6W Operating temperature: -10 to +55℃ System requirements: Microsoft Windows 98/ME/2000/XP/NT5.0/Vista Brower: Microsoft Internet Explorer 6.0 or laterversion Dimensions: 75 x 68 x 128mm