Certification: RoHS,GS,CSA,CB,CE Usage: Home Type: Cooling Only Rotation Way: Without Rotation Rotary Vane Quantity: 5 Controlling Mode: Mechanical Timer Control Water-shortage Power-off Protection: No Voltage (V): 6V Wind Type: Natural Wind Size: <1050MM Fan Speed: First Gear Max. Power: <20W Reverse Rotating Function: No Timing Function: No Timing Model Number: K17 Max. Timing Limit: No Timing Technology: Negative Ion Power Source: Battery Installation: Mini Air supply mode: Other Type: Air Cooling Fan Suspender Length: No Suspender Material: ABS Power (W): 2W