ASPL 2pcs LED Warning Flash Beacon Lights, 60 LED Amber Warning Safety Flashing Strobe Lights with Magnetic and 16 ft Straight Cord for Vehicle Truck Tractor Golf Carts UTV Car Bus,12V-24V

Bright and good

Ive used two of them all winter - lots of plowing in N. MN. they still look and work great.

Work great nice and bright

They work great. Brighter than our other ones. Keeping my family safe while installing real estate signs.

Bright LEDs make it easy to see vehicle while delivering mail. Easy to place on top of vehicle and like all the different strobe patterns.

Sold two lemons, neither of the lights worked.

I read meters for a living. These are super cheap and get the job done. Brighter than I ever thought they would be even in daytime

Using on my tractor, direct wired. Picked a pattern and left it good. Very bright warning, quality piece for sure especially for the money. The base is plastic, use care if screwing it down.

Works very well. Very good for rural mail carrier

These do exactly what they claim, they use magnets to stick to your car, plug into your cigarette lighter and flash brightly. Brightness is goos and it is easy to flip a switch and cycle through patterns of flashing to find one you want, though I suspect that having more than one or perhaps two patterns of flash really won’t matter to most people. I tried sticking the magnet to a curvy surface on my car and it still held well enough to stay on a parked car. My Jeep SUV has a 12V plug in front and in the rear, so I could use both of these at once, but I suspect most users will only be able to use one at a time. These will probably do what you want them to do unless you have unrealistic expectations.