It is difficult to find information on energy consumption for many products, although energy costs can sometimes exceed the purchase price. Because parts of this device are constantly live, I had concerns before purchasing. But it's pretty good: I measure 1.3 to 1.6 watts with the display dimmed; 1.7 to 2.0 W with a bright display. In twilight, this is no more than a conventional alarm clock without a radio or CD player. And that's a lot less than some of the 'high-end' competitors: around 6 watts for Bose Wave radios or Cambridge Soundworks equivalents, or 3.3 watts for a Panasonic RC-CD600. However, if Sony took care of that, they could get it down to around half a watt. In other aspects it is very good. The display is easy to read even in low light - much better than backlit LCDs. The sound is not to be mistaken for a full-size stereo, but the sound is decent and solid, and loud enough that I can catch the news while showering in the next room. The controls are easy to use. Note that the "PSYC" version differs from the regular white version: it has silver trim and fluorescent pink lettering. This Revain listing says PSYC but it's plain white so I don't know what you would get if you ordered it. If looks are important to you, make sure you get the one you prefer.
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