JumpStart T5 Four Lamp Complete Lighting System is fast and easy to install – just unpack this pre-assembled seedling light kit, insert the four 45cm (18″) tubes, and plug it in. Right away you have four high output, full spectrum T5 grow lights, mounted side by side but powered by a single electrical cord. Cover more area, more evenly, at a very low energy cost. Sized to stand above one to four 10 x 20″ seedling trays. The kit includes lights, reflectors, connector cords, and a 2m (6′) electrical cord with on/off switch. Just unpack, plug in and you are good to grow!