These smaller lamp fixtures come as a choice of single or double dome, and are designed for 10 Gallon or smaller. These holders should only be used with the Nano Range of bulbs.
The Single Dome can take a bulb of up to 40w maximum. The Combo double holder can take 40w per socket. The lamps are not included.
The holders include a hook for easy installation with the Zoo Med Stand, and has a on/off switch on the lead, for turning them off or on easily.