The world's most accurate and lowest lift-off distance 256 center of gravity weight tuning configurations are found in the exclusive TrueMove3 12,000 CPI, 350 IPS optical 1 to 1 tracking esports sensor. Adjustable Lift Off Distance: 0.5 mm to 2 mm Split-trigger mechanical switches with 60 million clicks Innovative silicone side grips for improved durability and grip