Brand Name: NoEnName_Null High-concerned chemical: None Power (W): 3W Voltage: 5v Origin: Mainland China Remote Control Function: No Power Source: USB Timing Function: No Timing Type: Cooling Only Max. Timing Limit: No Timing Reverse Rotating Function: No Wind Type: Natural Wind Max. Power: <20W Installation: Mini Water-shortage Power-off Protection: No Type: Ventilation Fan Air supply mode: Rotary Vane Application: < 10 M² Certification: CE Material: ABS+Electronic Component Power Source: USB Rotation Way: Without Rotation Technology: Other Use: Home Controlling Mode: Mechanical Timer Control Suspender Length: No Suspender Rotary Vane Quantity: 5 Size: <1050MM Model Number: FG-ITCECFAN100 Fan Speed: Third Gear Choice: yes semi_Choice: yes