Akira, I remember what happened to my Phottix grip from HK. Back to NYC, it stopped working properly. After long conversation with Phottix representatives, I was told to send it back to HK, no more options in NYC, even for money. My local Post Office gave me the best price of $89, while new grip was $70 at that time. So I am satisfied with my decision to not buy any expensive complicated electronic gadgets out of the USA. One may do it on his/hers own risk, what doesn't pay. Japan is still the best and most lovely country for me, to visit, even if I am very stupid "GAIJIN"! Hah! THX! LZ