DC 5015S 5V 50MM x 15MM Turbine Brushless Cooling Blower Fan Brushless DC Blower Fan with 2-Pin Connector Ultra quiet MID speed brushless DC Blower Blade Material is thermoplastic UL94V-0 PBT Housing Material is thermoplastic UL PBT Size: 50mm (L) or x 50mm (W) x 15mm (H) OR 2.36 x 2.36 x 0.59 inch Rating: DC 5V / 0.15A Noise: 25 dBA Airfow: 20 CFM Speed: 3800 RPM Quiet sleeve-bearing design Life Expectancy at 20 Celsius degree: 50,000 hours