eTopLighting (12 Pack) T5-12V-18W, T5 Wedge Base Replacement Bulb, 12 Volt 18 Watt Low Voltage, T5-12V-18W(12) (12 Pack), T5-12V-18W, T5 Wedge Base Bulb Dimension: 1 3/8" x 1 1/2" Long Life: 1.5 years (Based on 3 hours/day) | Color Temperature: 2800K Versatile Usage: Applicable Home, Office, Restaurants, and Stores High Brightness & Energy efficient light bulb