SteelSeries teamed up with Valve to develop the limited Dota 2 edition Rival 600 featuring a design by community artist Ced Alcalde.  The dual-sensor system combines true 1 to 1 tracking with breakthrough state-of-the art lift off distance detection.  Rival 600 also features an exclusive custom center-of-gravity tuning system with 256 weight configurations and a customizable range from 96g to 128g, ensuring the perfect weight and balance for everyone.  SteelSeries Engine software unlocks an impressive arsenal of Engine Apps that make customization easy and intuitive.