Sensor System Sensor System: SteelSeries TrueMove3+ Dual Sensor System. Primary Sensor: TrueMove 3 Optical Gaming Sensor. Secondary Sensor: Depth Sensing Linear Optical Detection + CPI: 100–12000 in 100 CPI Increments + IPS: 350+ on SteelSeries QcK surfaces + Acceleration: 50G (Zero Hardware Acceleration) + Lift Off Distance: Customisable 0.5–2 mm Design Top Material: Black Soft Touch + Core Construction: Fibre-Reinforced Plastic + Shape / Grip Style: Ergonomic, Right-Handed / Universal + Number of Buttons: 7 + Switch Type: SteelSeries Switch rated for 60 million clicks + Illumination: 8 RGB Zones, Independently Controlled + Length: 131 mm, Width: 62 mm (front) / 62 mm (middle) / 69 mm (back), Height: 27 mm (front) / 43 mm (back). Weight: 121 g without cable (customisable up to 153 g) + Cable Type / Length: Detachable, Soft Rubber / 2 m Compatibility OS: Windows / Mac / Linux. USB port required