Features:
100% Brand new and high quality!
Suitable for other high RPM fans
Channel supports up to 10W
Easy and convenient to use.
Length 21cm Big 4pin power supply
Length 45cm Support 3pin or 4pin
Best choice for yourself or your friend.You will not be disappointed!

Specifications: 
Color: Black.
Material: plastic and metal.
Input Voltage: DC 5V /12V.
Output Voltage: 12V.
Optimal Wattage: 10W
Cable length: 45cm

Package included:
1 x Fan Speed Controller