Item Type: Smart Scent Machine _x000D_Material: PP plastic_x000D_Weight: Approx. 941g/33. 2oz_x000D_Voltage: 100-240V_x000D_Battery: Model CR2032, lithium manganese buckle batteryx1, 220mAh (shipped with built in battery)_x000D_Function: Aromatherapy_x000D_Noise: < 38dba_x000D_Application Range: 100 to 200m3_x000D_Maximum Range: 300m3_x000D_Fogging Amount: essential oil concentration is adjusted to 95, 0. 7 to 1ml/h_x000D_Installation Mode: Flat place, wall hanging_x000D_Essential Oil Capacity: 200ml (shipped without liquid)_x000D_Operation Mode: Intelligent PCB_x000D_Product size: Approx. 21. 5x15. 5x7. 5cm/8. 5x6. 1x3. 0in_x000D_Mounting Hole Distance: 7. 5cm/3. 0in_x000D_Occasions: Hotel, family, physiotherapy, hot spring resort, sauna, SPA, KTV, leisure club 1Physical Atomization: Using advanced physical atomization technology, the liquid essential oil is converted into fragrance gas, and the aroma is quickly diffused into the environment, which can maximize the fragrance coverage efficiency. 2Two Fluid Atomization Technology: Using two fluid atomization technology, the essential oil can be dispersed uniformly, increase the retention time, and evenly fragrance every corner. 3PP Plastic Material: The shell of this smart scent machine is made of premium PP plastic, which is fall resistance, erosion resistance, long service life. 4Noiseless and Energy Saving: With memory function, support automatic switch, low consumption and energy saving. Long duration, low noise when working, stable and practical. 5Multiple Applications: This essential oil diffuser can be used in hotel lobby, guest room, bar, KTV, office, restaurants, shopping centers, etc.