>> wow. timely visit for you this morning. >> exactly. hopefully everybody has switched to compact fluorescents. now when these first came out they were $25 to $35. now they're a buck or two. the newest is l.e.d. lighting. this is an l.e.d. light from c. crane. they're expensive to start, $25 to $55. >> you might have a hard time paying that much for a lightbulb, but? >> they can burn up to 50,000 hours. >> the last lightbulb you have to buy in your life. >> they use 45% less electric than the compact fluorescents so you get your money back. a 60-watt bulb using seven to eight watts of energy. this is black and decker, their thermal leak protector. i'm looking at what the reference temperature is here. 78.9. that's the top figure. now, you can see the lower