Notice: Firmware Links Under Maintenance We are currently undergoing maintenance on all firmware links. If any links are inaccessible, please email or contact Tech Support for the firmware. We appreciate your patience during the maintenance, thank you for your understanding.
CMS/DHI-DSS4004-S2
DHI-DSS4004-S2
BEWARE: Upgrading from V7 to V8 will reduce the channel limitation from 500 channels to 256 channels