Logisys Deepcool NP8MSL Notebook Cooler Pad w/120mm Fan (Silver/Black) Deepcool NP8MSL Notebook Cooler Pad General Features: Plastic housing For notebooks up to 15.4-inches Steel pipe ergonomic non-slip design 140 mm fan 1000 RPM ( 10% RPM) 47.35 CFM max. air flow 21 dBA noise level Two USB Ports On/Off Switch Lead-free components Power Specifications: Rated voltage: 5V DC Operating voltage: 4.5V ~ 5V DC Unit Dimensions: