... tact switch B3F-9100 1 brightness 2.RoHS 3.LED:red blue,orange,white,green,etc 4.Throgh hole 12*12 ... ,Bi-color LED tactile switch :Specification for TSL12121: TSL12122,(Transparent button ,White LED ):Feature : 1.All material are compliance with RoSH ... standard, 2. Avarious led are avaliable(green ,blue ,red ,white ,yellow)3. mounting : through hole 4.Alternative for B3F ...