1.) High resolution, better realtime 2.) Complete function, pleasing appearance, material is qualitative strong Surveillance Security-monitoring Camera Module Group Parameter of the products: ItemValuesImage systemNTSC, PALSensor1/3" CCDPixel(H)768x(V)494 (H)752x(V)582Scan2:1 interlaced scanningSynchronous Systeminternal synchronizationLevel Frequency15.734kHz 15.625kHzVertical Frequency59.94Hz ...