The frame and impeller are made of thermoplastic material, conforming to UL 94V-0 standard. Wide range of operating voltage, some models are suitable for 98 - 264VAC, and can work in 10℃ ~ 70℃ environment. With high speed and large air volume, such as some products speed up to 3000rpm, airflow up to 68.5cfm, can be used for electronic equipment cooling and other scenarios.