From Dick's Gadget Warehouse - Belkin's Notebook Surge Protector.

About ten years ago the Belkin (F5C791-C8) Notebook Surge Protector was a great gadget for people who travel. The device was designed for use in countries with 100VAC-240VAC electrical utilities, which is pretty much the majority of the world. The Belkin Notebook Surge Protector is a breeze to use. It just plugs in between the AC cord between the wall and the inline laptop transformer. The 3 RJ-11 ports are from phone in and out cables. It even shipped with a retractable RJ-11 phone cable. A green pilot light tells you your equipment is protected and that's the line is powered. It was designed to protect notebook computers and modems from harmful surges and spikes, in any country throughout the world. You can see the ultra compact design made it easy to pack for business or personal travel. When it first came out, it was $29.99, but I did a web search on 8/20/12 and found it’s still available. Prices range as high as $37, (Yep, agove the MSRP) but you can’t beat the deal at Tiger Direct: $4.99. And that includes the retractable RJ-11 cable. Be aware that there were two versions, one that fits two prong AC computer cords and one that fits 3 prong AC computer cords. The one at Tiger Direct, according to the photos, only fits 2 prong AC cords.  

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1571156&CatId=5307

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