Parameters Battery voltage: 3.7V Working current: 0.2-2A Battery capacity: 4000mAh Charging time: about 3 hours Input voltage/current: DC5V/2A Product size 203 * 148 * 258mm Product color box size 209 * 90 * 238 * mm Single net weight/gross weight 591g/850.5g Features 1. Multi-function uses,can be used as wall-mounted/ceiling fan and ceiling lamp; 2. With 3 gears light adjustment,weak and strong brightness and breathing light; 3. With 4 gears wind,soft wind to strong wind from 1st-3rd gear 3,gust wind in gear 4; 4. Built in 4000mAh battery,long endurance,can be used as a power bank; 5. With magnetic remote control,easy to control the fan from distance,easy to store; 6. 120 left to right automatic rotation,90 up and down manual rotation,wide air supply; 7. With timing function,convenient to use at night and save energy. Package includes Fan*1/Remote control*1/Type-c cable*1/Manual*1