It can yes. I’ve tested this thoroughly. In nj their toll cameras couldn’t even capture my plate. I came up accidentally to an ezpass lane. They had the thing marked something horrid. I was an honest person though and waited for someone to come over to me. I offered to reverse and pay as running toll wasn’t my desire. The guy got really vile and was intentionally a jerk. He came out and said, “ go ahead and go it’s too late now you’ll get your ticket in the mail.” I was livid to think that even stopping at the booth not blowing it he was so rude. For no viable reason I said back we’ll see about that ticket. I had a super protector plate cover on that car. Needless to say 15 yrs later I have no summons from the nj turnpike. Now to a different part of the country. I crossed a bridge from Kentucky into Indiana. A known toll bridge. I was mailed a bill still a month later. So either one of two things the technology has advanced which I know to a degree it has. Some camera systems now have full time video backup out more straight on so they can reach out to that if the initial image is blurry to send a summons. I’m guessing this is what happened on that bridge just a newer system. So will it stop all cameras no. But it surely can mess with many of them. Over time I was going into Canada from USA with one on. The customs agent for Canada had to get out of her booth and look at my plate physically because even those techy cameras at customs couldn’t read my plate. Ontack used to make such covers obviously good ones for their time. They have since went out of buisness. And discontinued the super protector plate covers. Other retailers are making them no idea if they are as good or better but they look similar. I was only ever pulled over twice for it. One time by a fluke of luck in northern Michigan but honestly that cop didn’t even give me a fine. He just said take it off which I did on the spot using a penny. But then later down the road put it back on. I never had a single issue after that until about 2014 that first warning was in 2005. That’s a long time to go without a stop. And I drove all over ny, pa , oh, mi, fla, ga, tn, nc, sc, mo, wi… Michigans up.. just to name a few and Ontario Canada.. the only other time I got pulled for it was in a bigger city in Pennsylvania on the eastern part of the state. Local officer. He wrote me my first ticket for it was only 175$. I figure for all the tickets I missed in about 14-15 yrs I still got my moneys worth. After that I got a new one and continued running one and never had an issue until I quit running one in about 2018 as they were getting really tough to find anymore. So do they work sure they do why do you think cops don’t want us having them. Just like radar jamming of course it worked. That’s why they made it illegal. They don’t want to play fair they want the upper hand. Simple as that. And as for myth busters. People who stand by that show are inept and incompetent. Don’t listen to their bs testing. I’ve got plenty of lidar guns of my own and laser jammers also. They claimed laser jammers don’t work after putting together their idea of a laser jammer. It failed in their tests because they had no idea what they are doing. I know I’ve tested my lasers which I have 6 of that police actually use against a laser interceptor and blinder laser jammer and an alp. The guns were the ones that failed. So clearly mythbusters is full of myths and Sh**. They just didn’t know what they are doing. And I made countless runs against real guns and even real officers the jammers work. Even had msp one time tell me yeah I know you have a jammer. Meaning yes he got jammed. And he admitted it in what he said. Later that same month I saw the type of laser gun he used on me from that part of the state for sale on eBay lol!