... (WE-75320) 1)With 1pc ultra bright white led light 2)Powered by 2pcs CR2032 button cells 3) size: ... led keychain(WE-75320) With 1pc ultra bright white led light Led lifetime: 100,000 hours Powered by 2pcs CR2032 ... /off switch Product size: Length 45 x Diameter 10 mm Light color: red , blue, whiteThis is promotion and gift product; ... good sell in the worldwide market! plastic buckle led light keychain