Compatibility check
Japan-only appliances run on 100V, while most countries use 110–240V. Pick a category or model to see whether it works where you live and whether it can go on a plane.
Pick a category to see results. Below is a voltage summary by category.
Voltage by category
| Category | Models | 100–240V / USB | 220–240V only | 100–120V only |
|---|---|---|---|---|
| Rice Cooker | 34 | 0 | 23 | 11 |
| Hair Dryer | 22 | 10 | 0 | 12 |
| Hair Iron | 20 | 16 | 0 | 3 |
| Electric Bidet Seat | 20 | 0 | 2 | 18 |
| Electric Toothbrush | 18 | 17 | 0 | 1 |
| Shaver | 17 | 17 | 0 | 0 |
| Game Console | 19 | 7 | 0 | 4 |
| Cosmetics & Skincare | 23 | Non-electric | ||
| Vacuum Bottles & Mugs | 16 | Non-electric | ||
| OTC Medicines & Health Goods | 23 | Non-electric | ||
| Outdoor Gear | 18 | Non-electric | ||
| Souvenir Sweets | 16 | Non-electric | ||
| Matcha & Japanese Tea | 18 | Non-electric | ||
| Snacks & Sweets | 16 | Non-electric | ||
100–240V models work almost anywhere with a plug adapter; 220–240V overseas models suit Asia, Europe and Oceania; 100–120V Japan-only models suit Japan, Taiwan and North America (with care).
By destination
One page per country or region: voltage, frequency, outlets and results for all 14 categories.
What we check
- Voltage (use): 10 rules
- Plug (use): 5 rules
- Frequency (use): 6 rules
- Region lock / language (use): 4 rules
- Customs on arrival (use): 11 rules
- Flight rules (flight): 16 rules
See Methodology for how the rules work. Rule data (Chinese): /api/v1/rules.json. Rules updated 2026-10-24.