S-3221C
1.continue flashing more than 5months
2.PCB size can be customized
3.With ON/OFF Switch
4.Frequency:60times/Minute or customized
5.Led Color and Led quantity can be chose.
6.Double Adhesive sticker on the back of the Module,can stick on the Pop display
7.OEM is welcome
8.For POP Display,POS Display,Postcard, Greeting Card, Toys, sale displays.