Motor Type: DC Motor Model Number: 4-wire temperature controlled PWM fan speed controller with accessories Application: Computer Case PC CPU PWM Fan: PWM thermistor sensor temperature controller board Thermistor PWM Fan: 12V CPU fan temperature control PWM speed controller module Alarm Sensor: 12V 4-wire High temperature alarm signal Computer PC High Temperature Alarm Signal: Application: Computer Case pwm fan speed controller: pwm regulator fan speed controller: 12v pwm regulator 12v fan speed controller: speed controller temperature fan motor speed controller: 12v fan speed controller module PWM fan speed controller: fan temperature control alarm signal fan speed control: 12V 4-wire Temperature Control PWM Fan Speed Controller Material: PC+Metal Color: Blue Package Contents: 1 x Speed Controller 1 x Temperature Sensor 1 x Signal Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.