Etelux ceiling fan with light has 2 function. ? lighting function: it can illuminate and decorate your home. ? fan function: it can take cool wind for hot summer. Dimension: light's diameter: 48cm/18.90inches,extend diameter: 107cm/42inches,boom length: 20cm/7.87inches,10cm/3.94inches (including 2 booms) light's power: 36w,motor dimension: 153*15mm, motor's power: 65w, voltage: 220v. 3 colors dimmable & 3 wind speeds control: light's color can be adjusted to 3 colors---white/warm white/natural white, 3 wind speed---fast/medium/low, light and fan blades can be controled separately by remote control. Fan Blade Retractable: 4 fan blades, ABS fan blade shrinks freely.when you need cool wind, you can open fan blades, if you don't need it, you can shrink the fan blade, just use lighting function. Application: 8-15 m2 space, suit for living room, bedroom, kitchen, children's room.