>>11
カーナビならこんなんで良いんじゃない?
http://www.amazon.co.jp/dp/B010FIEXZ4/ref=cm_sw_r_li_awdo_1cPdwb1N5J67G

http://www.amazon.co.jp/dp/B00BRK9EU4/ref=cm_sw_r_li_awdo_KePdwb07ZD1J9