New design powerful high quality plant aquarium T5HO Light, it has 24W, 39W, 54W and 80W. 4 different size and 60cm, 90cm, 120cm and 150cm. So, We installed PFC ballast in the lamp body. And the control way is manual, turn on and turn off the button, the installation is foot stand and sling. Cooling naturally. Heat-sink net hole on the right terminal, make cooling better. 12 reflective aluminum independently reflector, through special technology processing, far not only 12 reflective surface, in 12 reflective surface, there are dozens of tiny reflective surface, make reflective effect to perfection.