ASPL 38.5" 78 LED Strobe Light Bar Double Side Flashing High Intensity Emergency Warning Flash Strobe Light with Magnetic Base for Safety Construction Vehicles Tow Trucks Pickup (Amber/White)

really worried on weather or not this would stay on the roof of my truck. so far its been on there for months of me driving up and down the highway 70-80 mph at times and it hasn't moved at all, no scratches from what I can find. light is bright and the ability to choose patterns is nice. it holds onto the pattern even after being unplugged. no water in housing, quality light for a really good price.

Edit: I have bought more of these lights since my initial review and I'm just more impressed with them all the time. I'll never buy another brand of strobe light. They are very durable and have withstood hits from big tree branches and even getting scraped on beams in a building. For the best visibility get the clamps and mount them to a head rack or Backrack. It gets it up just a little higher and more visible. If that isn't an option bolting to the roof is just fine. I would recommend going with the Amber and White over straight Amber if you want the highest level of visibility.This light has all the settings you could possibly want,it's super bright and easy to see day or night. It was very easy to install too. I removed the magnets and bolted it to the roof. If you have a perfectly flat solid roof on an older semi or pickup truck the magnets might hold. On a newer truck with a lighter roof they will not hold at highway speeds. It screws down easily with the brackets provided and works great. It's about twice as bright as my other brand roof bars and the strobes are extremely far reaching in every direction. Don't be fooled if it looks dim up close. The further away you get the brighter it is. Excellent value for the money.

This is an excellent light bar, very strong magnets. Fits well between by roof rack bars. It has about 10 settings with multiple flash options including full right or full left. Very bright and clear on all four sides. This was a very good buy price wise and quality overall. The power wire run is very long and no problem running inside to the power outlet, the power outlet has two switches, one for on/off and the other for light flash setting which will remember itself the next time you turn it on.

Just got my light bar and so far so good. Shipping was quick and it came it new condition. Used it twice for plowing and it worked great. it's very bright. As for the magnets strength, will they hold the bar to the roof? Time will tell. I haven't had it at highway speeds yet. The downfalls I've found are 1) you can't tell what pattern you're using from inside of the truck, 2) the mounting brackets would be better if they were adjustable. I wanted to mount the bar to my roof rack cross bars for extra height but couldn't do it. Other than that I like the bar. I may update after I have it for a while.

Although the mounting magnets are crap, the bar itself is very bright. Multiple patterns make for some creative flashes. Easy to operate it, plug it in and forget about it. Easily seen from several hundred yards. I would NOT hit the highway at a high rate of speed or it will fly off.

The media could not be loaded. I order 2 of these amber/red light bars. The light bars are very bright during the day and night. The magnets holds the light bar secure and can be driven in speeds of 60-70MPH without worry. The price is reasonable for what the price is. I'll update again on how the lightbars handle the summer heat weather.

I bought this for my company patrol vehicle (2014 Ford Explorer Police Interceptor). It has a great selection of flash patterns (switches on plug are easy to operate, and cord is PLENTY long enough...had to use a small zip-tie to secure excess), it is VERY bright (even in daylight, but especially at dusk/night), has STRONG attachment when applied to the roof (held on tight at 70+ mph highway speed), and is just about the perfect size for this type of vehicle. Will attach photo soon!

The media could not be loaded. Before I bought this I was very skeptical because reviews were saying that it was very bright, but none of the videos appeared very bright. One review I read said that the videos did not do it justice, so I decided to give it a try and I was not disappointed. The picture is of a driveway behind my van out in the country when it was pitch black while the light bar was at full brightness. I deliver packages and I turn the lights on and off several times throughout the day. As of the time of this review I have flipped the switch easily 1000+ times and it is still working perfectly. I can't speak for the magnets as I took them off and just bolted it directly to the van, but as far as the brightness for the price I highly recommend it. ($80 at the time)