Function: RTOS system with strong stability H. 264 compression algorithms in order to save more hard disk space Support channel partition and multi channels monitoring Support outer port data transmission, with English menu Switch to record mode while alert Ethernet and VGA function Remote controller is available Detailed log information, records, operations, alarms, network information, it offers a certificate for you Client software is realized for remote monitoring Support 8 hard disk (200G), USB is available for you Application area: Banking, army, insurance, hospital, telecom, government, jail and some advanced sites