DescriptionEasy installation. Designed with a resistor on the cable. Use the 4-pin cable to connect the power supply to your cooling fan, it will reduce the of the fan and cut the noise output dramatically.Features- Color: As shown. - Material: Plastic and metal - Size: 12x2x1cm - Easy installation. Designed with a resistor on the cable. - Use the 4-pin cable to connect the power supply to your cooling fan, it will reduce the of the fan and cut the noise output dramatically. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!