The Thermaltake XTunner is an out-of-sight performance enhancer to any computer system at a minimal cost. Although this device has limited functionality (increase and decrease), it is very efficient in controlling fan speed. The design and look of the XTunner is vibrant and sharp. The addition of the XTunner will enhance a computer in both operational effectiveness and aesthetic value. The remote makes the XTunner a unique system giving it an interesting touch. Overall, the XTunner is one of the great value buys of the season."