Certification : CE,DOTWattage : 70wPackage Included:1 x Extractor Fan1 x Screw SetFeatures:Diameter: 3" (75mm),4''(100mm), 6''(150mm), 8''(200mm)Color: WhiteMaterial: ABS (Acrylonitrile Butadiene Styrene) + SteelVoltage: 220V, 50HzPlug: AU plug(sent with an adapter according to your country)Power: 35W,40W, 75W, 130WNoise: 31-43dbFan speed: 2600 rpmAir extraction: 320 m/hour(4''), 540 m/hour(6''), 900 m/hour(8'')Length: Approx. 22-30-32cm/ 8.66-11.81''-12.60''(4''-6''-8'')-Purification and dustproof, ventilate quickly.-With plug, flexible installed.-Wall/ window mountable, suitable for kitchen, bathrooms, toilets, bedroom, living room and office ventilation.-Easy to install and clean.-Specially designed for indoor cultivation.-Meets all building regulations for bathrooms, toilets & wet rooms.Note:1.Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.2.Please understand that colors may exist chromatic aberration as the different placement of pictures.3.For more information,pls contact me,we will reply to you ASAP,thank you. We promise: If you are on our products,our services are not satisfied, please contact us and we will provide you with the perfe