: The universals E27 screw socket is freely of installation and can be directly replaced with screw socket bulb, without the need for complex wiring Three speed variable frequency wind speeds, with three option of soft wind, middle wind, and strong wind, to meet the comfortable airs supply needs of different scenarios The lighting and fan functions are integrated into 1, without the need for additional equipment installation, suitable for various home scenarios such as bedrooms, living rooms, and dining rooms Supports infinitely dimming and 3 color temperature switching, allowing for flexible brightness control and adaptability to different atmospheres requirements Double head wide angles airs supply, fan head can be adjusted from multiple angles, achieving all round circulation airs supply without dead corners