The blue LED can also trace its history back to the 1970s. These were initially developed by RCA with a view to making a slimline TV, and although a blue LED was developed, it wasn't bright enough ...

As of June 14, this 12-Pack Decorative Waterproof Battery Operated LED Lights is on sale for half off — get them for $39.99 instead of $79.99 for a limited time.

Best Underwater Boat Lights Under $100 These products are the best underwater boat lights if you need moderate visibility or want to spruce up the appearance of your boat. Tidal Wake IP68 Underwater 1 ...