IP65 WATERPROOF: 120mm 12V waterproof fan with IP65 design technology can be totally dustproof and waterproof.What is Ingress Protection IP Rating:These fans are around IP65 rating. HIGH AIRFLOW 3500RPM:120mm high speed fan at 3500RM airflow 125.2CFM noise 51dBA,ideal for strong and powerful cooling needs or replacemment of high cfm industrial cooling fan. UNIQUE TIPS:This 120mm 12308 fan has a unique tips that if something come into fan ,it will start self-protection and then stop working but not burned to extend its working life. MULTIPLE USE: 120mm 12v dc 3pin fan with 0.8A 9.6W and red wire (+) black wire (-) yellow (tech output) for easy installation and multiple equipment use. 100% 90 DAY MONEY BACK: If you are not satisfied for any reason, simply return your product for a full refund, no questions asked. You have nothing to lose.