BD08 fireworks firing system include one remote with ABCD keys and one remote with one button key (to fire all at once). It contains 8pcs receivers for cold flame. Each receiver box has battery inside to supply power, and the biggest diameter for cold flame is 4.2CM. The distance of the remote is 100M.
Technical Parameter:
Control mode: 4+1 Button Wireless Remote Control
Frequency: 433Mhz
Feature: Rechargeable battery
Material: Plastic base
Remote distance: 80-100 meters
Size: 23*15*22 cm
Weight: 1.8 Kg