The maximum number of users is limited to 20. However, it also depends on the total bandwidth accessed to this device from clients. The maximum data throughput of the device is around 100~200Mbps for UDP mode and 50Mbps for HTTP mode. Therefore, the actual number of connected clients varies by streaming mode, settings of resolution, codec type, frame rate and bandwidth. Obviously, the performance of the each connected client will slow down when many users are logged on.
This is video gain done either manually or automatically to correct the exposure of subjects that are in front of a bright light source.
The NVR-400 records the video via RTSP stream, and the resolution, frame rate and file format are 640x480, 25 fps and avi format.
The ICA-H651 can send JPEG/AVI files via FTP, SMTP and SAMBA server when motion detected.
The device is weatherproof and can be used outdoors.
This mode is used to avoid the flickering. Some places' voltage frequency is 50 Hz but use NTSC system; some places' voltage frequency is 60 Hz but use PAL system.
Please installed Microsoft®’s DirectX 9.0 or later and use the Windows Media Player 11.0 or later to play the AVI filed recorded by the Device.