1Pcs PWM Fan Speed Controller,3 Pin Ports4 Wires 0-5V 12V 4 Cha Fan Speed Speed
PWM signal model: 0-5V, 25kHz. PWM signal output range: 0% to 100%. Fan current: 3A. For fans above 3A. Consumption: less than 20mA without fan. You will need a suitable adapter to use the item in your country.