... , red,blue, green, yellow,ect. LED circuit,led pin medal,flashing badgeLED circuit board, flashing badge ,light up Decoration ... ,flashing pin ,led lightMaterial :PCB+Magnet LED circuit board, Material : ... LED colour: white , red,blue, green, yellow,, ect. Shape:circle Battery :AG seriesProducts Size :Readily available, or OEM your size ...