Electrical Voltage and Electrical Outlets/ Plugs/ Sockets
Electrical voltage and electrical outlets/ plugs/ sockets vary from country to country. The voltage in Japan is 100V and the plug shape is A.
You can check the voltage and plug shape in your country at the link below.
Worldwide Electrical Outlet List
Using electrical appliances with the wrong voltage is dangerous and may do damage to the appliances. Some of them such as computer equipments and audio-visual equipments cover a wide range of voltage, so you don’t need to worry.
Example : This appliance works fine with 100V through 240V.
DVD & Video Formats
When you order DVDs and videos, please make sure that the video format and the DVD region code in your country are the same with those in Japan, otherwise you cannot watch them in your country. If you have a region free DVD player, you have no problem to watch DVDs produced in Japan. The video format in Japan is NTSC, and DVD region code is 2.
The marks on DVD packages show their video formats and region codes.