Razer DiamondBack Plasma Limited Edition Game Mouse Controller While the Razer Diamondback Plasma - Limited Edition is technically the same as its predecessors the Razer Diamondback Salamander and Chameleon Editions, the Razer Diamondback Plasma is a limited edition run to commemorate the first six months of the revolutionary Razer Diamondback line and the close to quarter of a million sold worldwide since its inception. Award winning Razer drivers featuring On-the-Fly sensitivity adjustment Frame rate over 6400 frames per second (5.8 megapixels per second) 16 bit data path, as compared to 8 bit and 12 bit data paths used by other conventional mice Always On Mode - the optical sensor never powers down - provides instantaneous response at all times during gameplay