Product Description: Easy to set tatami mats: Concrete (gathering): 8 tatami (13.0 m2)/ Wood (collection): 6 tatami (10.0 m2)/ Heating output: 2.25 kW - 1.91 kW; Tank capacity: 3.6 L; Equipped function: Electronic ignition, deodorizing ring, automatic extinguisher, shockproofing device, shockproof extinguisher. Spill stopper Easy to lock.