According to Japan's "Electrical Product Safety Law", PSE certification is divided into two categories.

PSE diamond certification: Among them, there are 165 products that are prone to accidents such as electric shock and fire, and are more dangerous, classified as "specific electrical products - called Class A electrical products", such as chargers, adapters, etc.;

PSE circular certification: The remaining 341 products with less harmful effects are classified as "non-specific electrical products - called Class B electrical products", most of the large and small household appliances, lighting products, lithium batteries, etc.