1.The same Radio frequency and different code、prevent users from interfering with each other 、lighting protection design 2.Double control design is very convenient to use 3.Remote distance:30m( indoor )and 50m (outdoor) 4.Three channel、output power for each channel: incandescent lamp (max 1000W); energy saving lamp(max 200W / 6pcs at most);Compact fluorescent twin tube (max 280W / 5pcs at most) ;