1. A light assembly comprising:multiple first units each having multiple light members received therein, each first unit having two ends;
multiple second units, each of the two ends of each first unit being connected and sealed with one of the multiple second unit;
each second unit including a cylindrical end member, a first control member, multiple plugs, each of the two ends of each first unit being connected with the corresponding second unit by the end member of the corresponding second unit, the end member having a first room and a second room respectively defined in two ends thereof, the first room communicating with the second room, the end member having a third room defined radially therein, the third room communicating with the first room;
the first control member received in the first room of the end member and adapted to be charged by a power source by wireless way, the first control member providing power to the light members and turning on or turning off the light members simultaneously, the first control member electrically connected to the light members by wireless way or wired way;
the second and third rooms receiving one of the multiple plugs respectively; the plugs received in the second and third rooms being female plugs respectively and electrically connected to the first control member by wireless way or by wired way;
each of the first control members being electrically connected to each other wirelessly by using a common frequency so as to control the multiple first units.