http://www.optosupply.com ver a.0 5mm round module 1.2v b b i i - - c c o o l l o o r r flashing led 1.8hz 1/2cycle osxxxs5a32a-w1v ver.a.1 features outline dimension high luminous leds 5mm round standard directivity superior weather-resistance uv resistant epoxy used 0.8~1.6v dc drive (s uch 1 piece aa or aaa size battery ) cost effective (saves space and battery cost) bi-color white diffused type applications flashlight other lighting 6 o j u n n 5 p m f s b o d f n n " o p e f $ b u i p e f - & |