... 1/100,000s Shutter Speed and 25fps Frame Rate, Suitable for Indoor Use Product DescriptionKey Specifications/Special Features: Features: Free DDNS bounded ... , 4, 9, 16, 25, 36 and 64CH, no user limited professional Centralized monitor, remote record and playback, Skype message and telephone ... light will be on auto Others: Shape ceiling-mounted, indoor use