Energyefficient,and Efficient:The pure copper motor of this extractor ventilation fan ensures exceptional durability,energy efficiency,and high performance.Boosted Impeller Fan Blade for HighSpeed:The specially designed boosted impeller fan blade of exhaust air blower maintains its shape even at high speeds, ensuring consistent and efficient airflow.Premium ABS Fireresistant Material for Durability:Crafted from highquality ABS fireresistant material,this exhaust fan is built to withstand daily wear and tear.Design with Check Valve:Equipped with a check valve design.The check valve automatically opens and closes with the wind,unwanted from entering your living space.Energysaving and:The inclusion of a solar panel in this fan allows for energysaving and environmentally conscious usage.Harnessing the power of the sun,this fan reduces reliance on traditional electrical sources,resulting in lower energy consumption and a smaller carbon footprint.Exhaust fan power:4.8WSolar panel power:8WDC voltage:12VMotor speed:2100 rpmNoise:40 DBCurrent:0.4AMaximum power current:0.66AOpen circuit voltage:14.4VShort circuit current:0.73AColour:A: Black/B: WhiteMaterial:ABSSize:6Inch/4InchPackage Contents:1 x Exhaust Ventilation Fan1 x Solar Panel1 x Solar Panel Bracket1 Pack x Mounting Screws1 x English Instruction ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.