1. Dimensions and materials: A 2-in-1 ceiling fan with built-in LED light. Dimension: height 165 mm x diameter 500 mm. LED: 45 W, 3600 lumens. Suitable for rooms 10-18 m2, voltage 220-240 V. Construction: fan body iron, with K9 crystal accents, and acrylic and ABS blades. 2. Dimmable brightness and color temperature: Remote control adjusts brightness from 10% to 100% and switches among warm white 3000K, natural white 4000K, and cool white 6000K. Includes night light function and a 2-hour timer. 3. Six speed settings: 1-2 low wind (soft sleep wind); 3-4 medium wind (pleasant natural wind); 5-6 high wind (super strong wind). Low-noise, low-power motor for comfortable and energy efficient operation. 4. Reversible operation: forward and reverse rotation to accelerate air circulation and keep room air fresh in every season. Use scenarios: - Bedroom or nursery: gentle wind with warm white light, night light option and timer for bedtime comfort. - Living room or study: adjustable brightness and color temperature for activities, with a steady breeze. - Small office or kitchen: energy-efficient operation with customizable wind speed and bright cool-white light for task work.