1. Three gear adjustment, soft wind and can be adjusted at will 2. It can be hung in the dormitory, camping, bedside table, etc 3. Aero-turbine fan blade, section, angle design, increased contact area with air 4. Ultra-long battery life, continuous operation for 8 hours (), built-in 3000mAh lithium battery, can be used safely when camping 5. Second gear adjustment night light, soft light and eye protection Product name: multi-function outdoor ceiling fan Battery : 5V Input and current: 1A Working power of fan: 1.2W-4W Charging time: about 3-4 hours Battery capacity: 3000 mA Duration: 7 hours Working current: 280-940MA Functions: tent ceiling fan, live stand fan (without stand), desktop fan Product size: 190 x 180 x 70MM color:Black Material:ABS Package Contents: 1 x fan 1 x charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.