1. DC motor
2. Wattage：10W
3. 14cm fan blade length
4. 3 speed settings
5. Manual head up and down
6. 3-levels of brightness adjustment
7. Battery capacity display
8. Reverse charging function
9. Desk / Hanging dual-use
10. Built-in battery 3900Mah
11. IPX4 Waterproof level
12. Product Size (WxDxH) mm：205(W) x 143(D) x 231(H) mm