Feature: High-airflow and Super Quiet: It has a fast cooling speed,which can lower the temperature by 10-15 degree rapidly.With 8 unique double silicone shock absorber pads for each fan to reduce the noise, pc case fan works silently. High Quality & Long Using Life:With hydraulic bearing design, and made by high quality eco-friendly materials that are certificated by CE & ROSH, this 12cm PC case fan is in high quality and has a using life up to 40,000 hours continuous working time. Wide Compatibility: The 12cm PC case fan is compatible with all types of chassis and easy to install. Specification: Dimensions: 120x120x25mm 12.45CM between 2 screw holes Fan Speed:1200+10% RPM Noise: 24dBA Air Volume: 43CFM Bearing: Hydro Bearing Rated Current: 0.35A Rated Voltage: 12V Rated Power: 4.2W Life Span: 40000Hrs includes:Choice1: 1 x Fan Only Choice2: 1 x Remote Control with Panel Choice3: 1 x Light Strip Choice4: 3 x Fans, 1 x Remote Control, 1 x Controller Choice5: 5 x Fans, 1 x Remote Control, 1 x Controller Choice6: 6 x Fans, 1 x Remote Control, 1 x ControllerProducts from He Wei's store