Fluker's Deluxe Clamp Lamp with Dimmer. Set lamp high at one end of terrarium; pet may retreat to cooler side if desired. Provide structure allowing pet to climb up toward lamp. The clamp lamp is for use above screen top reptile enclosures. Not for use inside any animal cage or enclosure. This is to protect the animal from burns. Designed with ceramic sockets to be used with incandescent bulbs and ceramic heat emitters. Includes swivel head clamp Dimmer switch Polished aluminum anodized reflector for maximum light, UV and heat output Ceramic socket Available in the following sizes: 5.5" Up to 75 watts. 8.5" Up to 150 watts.