ABBY-8X Computer Case Miner Fan Speed Controller 8-Channel Fan Hub PWM High-Power Violent Fan Controller Fan Speed Governor

Does it include wireless functionality? : No Does it include a Battery? : No EU LVD Voltage : Low voltage: Below 50Vac or 75Vdc High-concerned chemical : None Origin : Mainland China Certification : NONE Specification 1 : Miner Fan Speed Controller Specification 2 : Fan Speed Controller Specification 3 : Fan Speed Controller for Miner Specification 4 : Fan Speed governor Specification 5 : Fan Controller