intelligent fans usb vertical bladeless fan mini air conditioner fan desk cooling tower fan for home office summer ventilator appliances hot

power (w): 2.5w voltage (v): 6v air supply mode: head shaking max. timing limit: no timing suspender length: no suspender reverse rotating function: yes water-shortage power-off protection: yes wind type: natural wind, sleep wind, prevailing wind max. power: <20w type: cooling only installation: tower material: plastic certification: ce controlling mode: mechanical timer control type: air cooling fan size: 1050-1199mm