Since it is a outlet type, it can be used to deodorize large rooms such as LDK (about 16 tatami) and continuous spaces such as entryways and hallways with this product spreads the aroma. Constant deodorizing effect and scent lasts from start to finish. Effective lasts approximately 60 days after 24 hours a day. (Varies depending on usage conditions. The safety heater is adopted to keep the temperature constant, and a safety fuse to prevent overcurrent. Refillable and economical