ITEM NAME:Air Extracting Laptop Cooling Vacuum Fan Quiet Operation CPU Cooler #2 Description: - Digital display alternately displays the fan speed and the temperature at the laptop's interface to keep the computer cool - Adjustable suspension arm, strong fixed, toggle screws, up and down according to the thickness of the notebook - Intelligent chip, temperature control technology, automatic mode, when the notebook outlet temperature reaches 40 Â °C, the radiator automatically opens, below the automatic stop - Strong exhaust ventilation, fan ventilation to reduce the internal pressure of the notebook, accelerate air circulation - Unique air duct design minimizes wind and air duct friction and reduces noise - Automatic mode and manual mode can switch between each other Specification: - Name: Ventilation type notebook cooler - Rated voltage: DC5V - Rated current: 0.47Â ±10%A - Input power: 2.35W - Maximum air volume: 23.15CFM - Fan speed: 4500Â ±10% RPM - Size: 100*70*35mm/3.94*2.76*1.38'' Package Included: 3Pcs plastic tape 1Pcs USB cable 1Pcs Radiator 1Pcs board.Strong exhaust ventilation, fan ventilation to reduce the internal pressure of the notebook, accelerate air circulation. 1Pcs Radiator. - Fan speed: 4500Â ±10% RPM. - Unique air duct design minimizes wind and air duct friction and reduces noise.