They’re batterie powered so over time they dim but to begin with aren’t bright either so depends on what you’re wanting them for I guessThe lights all work and are neat. The product itself looks very cute and like advertised in the photos. Although it came with the box covered with paint and the paint got on our hands. It smells very strong of chemical and do not recommend for indoor use or around children. It doesn’t smell like paint but it smells very strong of some sort of chemical so if you are sensitive to smells or chemicals I wouldn’t recommendcheaply made but cant beat the price. She has them on alot and they work just fine.We ordered 2 sets. One was missing the remote completely but the one remote controlled both lights. My main problem was how hard it was to untangle the lights! It easily took 10 minutes per set. Not easy for people with arthritis. Lights themselves are great.Not as vibrant as video shown. Came still wet with paint on skulls. Lights much duller.These look awesome, especially at such a low price. There's a few programs for the lights to dim, flash, fade or stay lit. I got the red ones and it's a nice true red, not pink-ish. Wish these came in a plug-in version as well, but the battery pack is great for doorways and stuff, no ugly cords down the wall or on the floorThese lights are truly spooky and I love the design, however the finish will come off every time you touch them or if they touch any surface. I had to wear gloves to install them. They aren't incredibly bright for outdoor lights from a distance, but look amazing up-close. I personally wouldn't put them indoors because the paint would rub all over my walls when hanging them.Great lights. The brown paint looks funny on the plastic skulls.Great decor product