Electronic LED flash caps, can be made with 2, 3, 4, 5 leds, on the
cap peak. One micro-circuit program can control the flashing
process and also one easy switch works. The power are two pieces
mini button batteries, powering about 30 hours.
Caps for reading, for working, sale promotion, for tourism place,
for large-scale amusement activities etc.
LED Flashing Cap 01 Images