The product have two remotes, one with one key and the other one with four keys ,include four pieces receivers .Each receiver box has battery inside to supply power, the distance of the remote is 100M. One key remote controls all the receivers firing together and that Four key remote Control two pieces A, B, C and D.
Technical Parameter:
Plug type: US plug & EU plug
Remote distance: 100 meters cold fire machine
Refill: Stage cold fountain pyrotechnics
Feature: Rechargeable battery