Main processor and code 32Bit ARM926/DSP/H.264
Video Input 1 Channel Composite Video, PAL/NTSC
1/4 CMOS sensor, minimum illumination 1 Lux, VGA resolution
Video compression algorithm H.264 baseline profile smh.com.au 2.2
Video resolution VGA: 640x480, QVGA: 320x240
Adjustable video parameters Brightness, hue, contrast, saturation image quality
Stream format Pure video stream or audio-visual composite stream
Video Frame Rate PAL: 1 - 25 frames per second
NTSC: 1 - 30 frames per second
Video compression rate 16Kbit/S-8Mbit/S
Video Output 1 Channel Composite Video Output
Audio input 1 channel linear input, input impedance: 1k
Audio compression algorithm G.726
Audio Output 1 Channel Linear Output
Voice intercom input 1 channel microphone input
System Interface 10Base-T/100Base-TX Ethernet Interface
1 RS485 interface, 1 RS232 interface, NVC818 built-in head
WiFi interface (802.11b/g wireless network)
SD Card Interface
USB interface
Alarm input 1 channel on/off input, support NO (normally open) or NC (normally closed)
Alarm output 1 channel on/off output, 120VAC 1A/24VDC 1A
Input power DC12V 1A
Maximum power consumption less than 1.2W
Operating temperature -10 to .55 degrees C
Save temperature -20 to .70 degrees C
Operating humidity 10 to 85%
System Requirements Operating System: Microsoft Windows 98/ME/2000/XP/2003
Browser: Microsoft Internet Explorer 5.x or above