I have a Nuwai 0.5W 1xAAA, and am quite pleased with the output. I've compared it to several Arc AAA's, several Dorcy AAA's, and even to a couple of Peak 1xAAA 3xLED lights. The Nuwai 0.5W is noticeably brighter than *any* of the other 1xAAA lights I have - even brighter than the Peak 3xLED.