2 tatami type; Power supply: C100 V (50 Hz/60 Hz); Power consumption: 520 W; Power consumption (per hour): Weak: 180 Wh, (medium) 230 Wh, (strong) 330 Wh; Electricity consumption (per hour): (Weak) 4.9 yen (medium) 6.2 yen 8.9 yen Estimated unit price 27. Calculated as a circle/kWh (tax included); Power cord length: 4.9 ft (1.5 m); Surface temperature: 88°F (36°C) (at 3), 45°F (45°C) (at 5); Uses triple fresh to deodorate formaldehyde, tobacco odor, everyday odors, and pet odors (suction/disassembly). Features: Kotatsu Can be used with use; Can be switched between heating areas (front / B surface) / Cut off timer: 6 hours later.