File/Direcory File Size Date
.. - 2020-04-10
I series NVR firmware to support DS-1901 and local dual-SMTP function - 2020-04-22
V4.1.64 build190119 - 2019-01-25
V4.22.005 build191208 - 2020-03-27
V4.40.010 build200430 - 2020-05-20