12 units (3*4 units) the third generation fireworks firing system
Item Number :M18-044
shot by shot: controller key 1-12, controll a special unit, for example, key 3, controll the third receiver.
shot at the same time : controller key ALL, 12 units fire at the same time. shot by shot quickly: controller key Seq, fire the unit from No.1 to No. 12 with 0.4s delay time between each unit.
(Packing details:1 pcs of 14 key far distance remote controller, 3 pcs of 4 units the third generation receiver, inner pack, paper outside pack, instruction, )