Network Camera With 1/3-Inch Sony CCD Image Sensor and 420tvl Horizontal Resolution Product DescriptionKey Specifications/ ... -channel monitor, management and check alarm picture via IE Channel: 1, 4, 9, 16, 25, 36 and 64-channel No user ... or NTSC Sensor: 1/3-inch Sony CCD Horizontal resolution: 420TVL Frame rate main stream: 1 to 25fps Second stream: 1 to 25fps Video adjustment brightness, contrast ...