Polycarbonate. Uses (2) 7-watt 2-pin, twin compact fluorescent bulbs. May also use (2) 9-watt bulbs. Number of Bulbs: Two. Bulb Type: Twin 2-pin Comp. Fl.. Wattage: 7w. ADA Compliant: Yes. Energy Efficient: Yes. Energy Star Compliant: No. Low Voltage: No. Bulbs included. Size: 9.5 in. W x 9.5 in. D x 2 in. H. Low profile, impact resistant polycarbonate frame. White polycarbonate diffuser. Mounts flush under shelves or to wall. This fixture uses an energy saving fluorescent light source. We recommend using warm white bulbs to provide natural color lighting.