New products full spectrum high quality aquarium plant 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. TM series has specular reflector in inside. 3cm ultrathin thickness design.