When you buy the AHD DVR board from us , you can power it buy this way
Watch video How to power the 16CH AHD PCB DVR main board online without registration, duration hours minute second in high quality. This video was added by user Charley Chan 13 November 2019, don't forget to share it with your friends and acquaintances, it has been viewed on our site 177 once and liked it 1 people.