Hi all im trying to update C319H FIRMWARE 119.1.35.15 TO THE LATEST 119.30.12.402 .when the downdload finish and make reboot it is write error and if i make restart the firmware not change . i know that the 119.1.35.15 is very old firmwar ...

Hi allin office time Attetance. if I want to see how many hours an employee works in a month in total... I haven't found it . THANKS

i have one system with R20A-2 and two C313-2 .The one C313-2 works wifi only with power and i want to control the relay to the other c313-2 via wifi to open the door because i open the door only via the one monitor that has cable to the do ...