Product Name：Invisible Ceiling Fan Light Product Color: Golden Diameter: 42 inch Style: Modern Power Source: Corded-electric Batteries Included?: NO Batteries Required?: NO Product Material: Metal + crystal + acrylic+ABS Bulb type: LED light sheet Light Source: LED (included) Led light color: 3 Color Changing (White-Warm white-Yellow) Fan speed: 3 speeds(Low-Mid-High) Voltage: AC 110V Power: 40W Packing size: 22*22*15.6 inches Features for bluetooth fan light Retractable: 1. Modern Minimalist- 42 inches modern minimalist style invisible fan light, the fan blades are retractable and irreversible. 2. Suggested Areas- its unfolded size is 42 inches, standard configuration is two main rods of 10cm and 20cm. Suitable for living rooms, bedrooms, dining rooms, restaurant or family rooms. It is recommended for 10-20 m² ◆Q&A: Question 1: After receiving the package, one of the lamp heads in the retractable ceiling fan chandelier is damaged, can it be replaced with a new one? Answer: Of course, if you encounter any problems after receiving the package, you can contact us at any time, and we will help solve it immediately. Question 2:Is it easy to install? Answer: Yes, very easy to install,replacing an existing fixture is easy with the included instructions and can be finished in as little as 20 minutes with a few simple hand tools. NOTE: The rod has two lengths to choose (3.94inch & 7.87inch), depending on your actual situation Floor height is greater than 106 inches, ceiling load greater than 30kg Warranty: 60 days manufacture defectives and 30 days unsatisfied replacement or return service, Our goal is 100% customer satisfaction.