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New arrival: It could adjust sequential time by yourself. The time range is from 0.1 S to 9.9 S. Please find the pictures below. 1 transmitter cound run 100 pcs receivers at most.
Fireworks Firing system
The whole set firing system is including one 24 cues transmitter , four 24 channels receivers.
5pcs chargers, 4 pcs keys and 5 pcs anternnas.