Voltage: 100V (Japan uses the lowest voltage in the world)
Frequency: 60 Hz in western Japan (Kyoto, Osaka)
Plug type: Type A (two flat parallel pins) — same as North American plugs
Adapter needed: European (Type C/E/F), UK (Type G), and Australian (Type I) travelers need a Type A adapter. Most modern electronics handle 100–240V natively — check your device label.
USB charging: Available at Kyoto Station, major hotels, and most cafes. USB-C increasingly common in newer facilities.
Phone connectivity: Pocket WiFi rental (¥300–¥800/day at Kyoto Station) or local SIM card recommended for navigation. IIJmio and DOCOMO offer tourist SIMs at the airport.