[Estimated shipping]: 3 - 8 business days *Excluding Saturdays, Sundays and public [Package classification]: TS 1 [Package size] Normal product [Manufacturer name] Elecom [Model number] SX-CL23LBK] Equipped with a blast mode that instantly cools your PC, so you can rest assured even when playing games or other hard. Equipped with 2 large diameter 5.5 inches (14 cm) fans boasting a maximum revolution of about 1,300 RPM, and a maximum air flow of about 58 CFM. This product has the highest cooling effect when not in use. Effects may vary depending on the usage environment. The main unit is made of aluminum to ensure durability that it wont sag even when installing heavy laptops. The heat dissipation properties of aluminum material provide high cooling effect. The intake structure allows the wind to be trapped through the bottom without wobbling the air flow. You can change the direction of the wind according to the position of the computer intake and exhaust. When the computer top has an exhaust outlet installed, it can be efficiently cooled by using it in the direction of the air from the top of the product. Fits laptops up to 15.4 to 17 inches. Equipped with a explosive mode switch that will quickly raise the cooling fan to the highest level. It has a dial-type air flow adjustment function that allows you to adjust the air flow to a fine degree according to your computers heating status. The power supply cable is attached directly to the main unit, so there is no need to worry about losing it. Compatible models: PC with USB interface; Wind power switching function: stepless; Number of fans: 2; Fan dimensions: approx. W 5.5 x D 5.5 x H 0.6 inches (140 x 140 x 16.5 mm); Fan rotation: 1300 ± 200 RPM; Maximum air flow: approx. 115 CFM; Noise level: approx. 41 dB-A; Color: Black External Dimensions: Approx. 1.6 inches (4 cm). 0.2 x 11.0 x 2.5 inches (05 x 280 x 64 mm) (excluding cable); Weight: Approx. 3.9 lbs (1,530 g) (excluding cable); Housing Material: ABS, aluminum; Warranty: 6 months