This issue is not new, and replica of this popular Pivot products has been there for many many years, probably since 2005 or 2006. The production of this fake Japanese voltage stabiliser is so rampant that it in fact penetrates the whole world voltage stabiliser market, and causes some fears in the consumers while trying to buy genuine Pivot products. (Especially true in South-east Asia, such as Singapore and Malaysia)
This link provide some basic information on how to differentiate between a genuine and a replica Pivot Mega Raizin.
Please take note that using replica and unlicensed products may cause:
1. Harm to your overall car electrical system, don't risk your life by saving that few bucks
2. No warranty, no return, no exchange by the vendors.
Use at your own risks.