Size:Small, Finish:Bronze, Glass:Clear Acrylic, Light Bulb:(1)13w T5 Mini Bi-Pin Linear Fluor Fluorescent undercabinet fixture with clear acrylic lens. Electronic ballasts for quiet energy-efficient operation Instant on - no flicker or hum Instant on/off rocker switch Clear acrylic diffuser resists cracking or yellowingSide and rear knockouts with Romex wiring connectors