Copyright(C) 2009 - 2010 DataLink Japan, All Rights Reserved.    Useful Information       Weight & Length     Japan Customs : http://www.customs.go.jp/english/index.htm Conversion Formulas 1 kg = 1 lb / 2.2 ( 1lb = 2.2kg) 1 cm = 1.3937 inches ( 1 inch = 2.54 cm)   Voltage       The power supply in Japan is 100 voltage. When you purchase electronics devices, please check the type of voltage. You also buy the transformer if Japanese devices do not apply voltage of your country. There are small size transformer in the market. Price range is US$20 to 150.   Regarding each country's power voltage, please visit http://www.kropla.com/electric2.htm     DVD Region         DVD region code in Japanese market is Region 2. You are needed to check your DVD player what Region code is available.   World DVD Region Code : http://en.wikipedia.org/wiki/DVD_region_code     Instruction & Warrantee        Almost instruction text is in Japanese. Warrantee is almost issued for Japan market only. We can see some electric devices has option for English instruction. We can order it to supplier's customer service in Japan, if there is such kind of option.     NTSC system         Almost electric devices sold in Japan uses NTSC (National Television System Committee). You are needed to check the type of analog television system when you purchase those.   For more details, please visit : http://en.wikipedia.org/wiki/NTSC     Book, Paper size         In Japan, paper size are used for JIS A series and B series.   For more details, please visit : http://www.edsebooks.com/paper/jpaper.html