SIZE: 35x25mmmm,Printed plate, Twist on /off switch ,6 LEDs flash two
by two alternatively and continuously ,with Magnet (click
to see how it work) or Metal Pin (click
to see how it work) or military clutch butterfly pinback (Click
to see it) at back for fixing ,Or/and with black cord as necklace (click
to see it) ; also with metal ring back .
-- Best for fun, concert,
raves, parties, gift, etc.
click to see detailed information
BATTERY APPLIED & REPLACABLE 1
CR927 /LR927 Batteries