Features: Suitable for ventilation in small space of 3㎡. Can be connected- to 50mm hose/50mm PVC pipe; The Exhaust Fan main body is detachable and humanized design, which is easy to install and more convenient for later cleaning and maintenance. 12V-DC Motor: DC- motor, low power, fast speed and high wind pressure. Quiet and Energy Exhaust Blower: Saving performance is very good, This embedded fan to run more quietly and reach low speeds without generating noise or heat. Widely used in homes, offices, warehouses, restaurants, bars, shops, shopping malls, grow tents, greenhouses and other places- where lot of air is needed. Powerful 2"/50mm inline duct designed to produce higher- working pressures for applications that require high air flows, with low relative noise. Specifications: Power input: AC100-240V 50/60Hz Output: DC3V-12V 2A Air volume: 54m³/h Diameter: approx50mm Size:approx 130x50mm/5.12x1.97in Material:PVC Power 18W Air pressure 570Pa Noise 58db Package Includes: 1 Set Duct Fan with Two 50mm Connector note: Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Due to manual measurement, please allow an error of 0-1cm. Please make sure you do not mind before bidding.