Specification: :Black Material:Metal Length:300mm/11.81" Diameter:250mm/9.84" [Conversion: 1mm=0.03937 inch, 1inch=25.4 mm] Voltage: 220V/50Hz : 50W Noise: 50-60db Speed: 1200r/min Air volume:1500m3/h :7pcs wind Features: Axial fan with grill. coated steel wire safety guard. Durable Copper winding motor. Low Noise. Metal body and . Low noise and stable running. Suitable for bedroom,living room,office,kitchen,restaurants,Bathroom, workshops, warehouses,etc. Package Included: 1 x Exhaust Fan 1 x Adapter(According to different countries, we will send corresponding adapter.) Note: -Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. -Please allow 1-3CM differs due to manual measurement. -Due to the different display and different light, the picture may not reflect the actual of the item. Thanks for your understanding. Detail Image a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a