TorchStar new model Nano-Ceramic MR11 2W spotlight. This durable LED light bulb is with more than 20,000Hrs lifespan, which could attributes to the Nano-Ceramic material and well design heat-sink. And of course, this LED lamp will result in money saved by lowered utility costs. Comparison between this 2 LED bulb and 15W Incandescent lamp(8hours / day over 1 year): --Power Consumption Comparison Electric consumption of LED 2W bulb: 2W × 8Hrs × 365=5.84Kwh; Electric consumption of 15W Incandescent bulb: 15W× 8Hrs × 365=43.8Kwh Electric consumption ratio: 650% --Life-span comparison: LED: approx ×20,000Hrs; Incandescent bulb: approx × 1500Hrs; 1 LED bulb = 13 Incandescent bulb --Comparison result: LED light bulbs are more energy efficient, more environmentally friendly and cheaper than Incandescent light bulbs. Specifications of this lamp: -Voltage: 12V AC/DC -Power: 2 watts -Color temperature: 3200K -Emitting color: warm white -Lumen flex: 80Lm -Lamp base: MR11 -Dimension: dia35×40mm Applications: desk lamp, indoor night light, cabinet lamp, table lamp, display scene, artwork lighting, jewelry show case etc. Package includes: 1 × MR11 warm white 2W spotlight.