... extra installation needed, directly ready for operation.*5 Channels remote controller to communicate up to 1000W or 3500W,230VAC 50- ... 315mhz.*Permitted wrong code rate 1/600000*Individual expandable. One remote controller set can control five framework.*Battery (1*12V, TYPE ... A23) for the remote controller included.*Germany, England ,French, U.S.A, Italy, ...