Utek DV04028B12L 4028 4cm 40mm fan 12V 0.36A Temperature Control Sensor - Silen

Why is it called high volume and mute? Because the fan itself has a temperature-controlled sensor head, the speed is only about 2200 rpm under normal temperature, basically a silent speed, with the temperature increased, the speed is getting higher and higher, of course, the wind to wind speed, so called the subtitle, the buyer needs Pay attention... moreto the use of oh, to violence in the case need their own short-circuit temperature sensing sensor DIY can be full speed, need to use the mute directly