In the light of the new design, Lumileds companies have 18 red led Lighting source, including the loss of circuit, a total power consumption of 14 watts to generate the same optical effect.

而在新设计的灯中，Lumileds公司采用了18个红色led光源，包括电路损失在内，共耗电14瓦，即可产生同样的光效。

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To mark the switchover the Crystal Palace transmitter, in south London, will be lit up on Wednesday night with 200, 000 watts of energy efficient lighting at a ceremony attended by Sir David Attenborough and DJ Chris Evans.

BBC: London analogue TV signal switched off

It also reduces daily lighting expenses by 80 percent, using 10 watts to produce light that's bright enough to replace up to a 65 watt bulb.

ENGADGET: Klipsch LightSpeaker makes whole home audio as simple as screwing in a light bulb (hands-on)