Product name: Leafless ceiling fan
Battery: 3.7V-4.2V
Input voltage/current: DC5V/1000MA
Output power: 4W
Battery capacity: 4000MAH
Product material: ABS/PP/electronic components
Product size: 200*87*203MM
Product net weight: 540g
Working current: first gear 150MA; second gear 300MA; third gear 600MA; fourth gear 1000MA
Product size: 200.5*87*203mm
Use power: first gear 0.63W; second gear 1.3W; third gear 2.5W; fourth gear 4.2W