This product is designed for the Japanese market with 100V AC 60 Hz.
If you seek 100% safety in the United States (120V AC 60 Hz), we recommend using a transformer.
Among our customers, there are those who use this product within the United States at 120V without a transformer. In fact, we have received several reports from users who say that they have used the FR301-81 at 120V without any problems. If you decide to use it at 120V, please do so at your own risk.
The plug for this product is a rubber flat plug type (type A), which can be used in the United States.
Please check the 7th image of the product for the shape of the plug.
This product has successfully sold over 100 units to customers in the United States through eBay. You can view the positive feedback from customers who purchased the FR301 on our feedback page. Please feel free to check it out if you are interested.