Summary: I am a mobile DJ and I purchased this because many of my gigs are set in a dark atmosphere. This product works perfectly. I have a big 17" laptop and I get good light coverage. Yes, it does have a spotlight effect, in which it's brightest in the middle of the keyboard, but the light falloff is enough that I see the rest of the keyboard, including the numpad to the right. A pretty cool feature is its low/high switch. Low uses 4 of the 8 LEDs and high uses all 8.
Summary: I have a MacBook Pro and even though the keyboard lights up, I find this light the perfect companion. It illuminates the areas around my laptop just enough, and with the pliable neck of the lamp, I can send light exactly where I need it. A great purchase, if I must say so myself!
Pros: Durable, Easy To Configure, Lightweight, Versatile
Summary: it falls down and can't support its own weight (rotates around the usb connector towards me). it glares in my eyes and on the screen because it has insufficient top cover. to make it useable I used black electrical tape and a coat hanger until i can get another brand.
Summary: Light goes off when laptop is shutdown. So you need to keep the laptop on to use it for reading. And if your laptop's USB port is only on one side, it might be awkward for those that want light on a book on the other side. We find it works great for our needs and would buy another.
Summary: 1. This is very poorly designed, there is a lot of side glare from the LED's. The LEDs should be recessed or shrouded. 2. I Bought one on 10/12/08 and today it is 1/30/90 or about 3-1/2 months later. One LED is burned out and another is flickering. So far 2 bad LED's, six more to go. I will see if Kensington offers any options.
Summary: I have used other products like this and I did not like most of them. This Product works very well and lights not only the keyboard. I would recomment this to anyone that needs a keyboard light for any type of a computer.