This is the Yeah Racing 30x30x10mm Tornado High Speed Cooling Fan in Black color. This fan features dual ball bearings and is great for motors, ESC's and multiple other applications. This fan is capable of use with a 2S LiPo (8.4V), but no higher.

Specifications:

• Dimensions: 30x30x10mm
• Bearing: Dual Ball Bearing
• Operating: Voltage 5V
• Start-up Voltage: 3V
• Power: 1.40W
• Fan Speed: approx. 14,000 RPM
• Max Air Flow: 5.501 CFM
• Current: 0.28A
• Weight: 9.0g
• Connector: JST

Note: For the best performance, Yeah Racing recommends you continuously run this fan for 2 - 3 hours to break it in.