ZZD1130: Features: -Lamp-Material: Metal, porcelain and plastic-Control heat lamps and ceramic heat emitters-Turn heaters down on a hot day and back up in the evening-Change temperatures without changing bulbs or just improve lamp-Reptile heating and lighting-Inline dimmer switch allows to adjust from off to full power and anything in between. Options: -Available in 8.5" and 10" sizes. Color/Finish: -Color: Black. Specifications: -Heavy duty ceramic fixtures can handle up to 200W. Dimensions: -8.5" Dimensions: 0.58" H x 0.75" W x 0.88" D-10" Dimensions: 0.58" H x 0.75" W x 0.88" D. Warranty: -1 Year warranty.