1.21c 2032 Button Cells,continue flashing more than 5months
2.1pc Diameter 5mm led
3.Size:38x25mm
4.With or Without ON/OFF Switch
5.Frequency:60times/Minute
6.Led Color and Led quantity can be chose.
7.Double Adhesive sticker on the back of the Module,can stick on the Pop display
8.OEM is welcome
9.For POP Display,POS Display,Postcard, Greeting Card, Toys, sale displays.