Tech is 10+ years old and they have several direct competitors like Oz Optics who are light years ahead of DarkPulse in producing functional equipment. Heck, even in the letter to investors Dennis admits having to use components of competitors' equipment because DarkPulse tech won't work without it...
Yes,they are updating the system. It was addressed in one of the PR’s or the shareholder letter. Like anything else, there will be upgrades as new technology comes available.