Features: Unleash the ultimatedly gaming experience with the Raven61 61 Key Keyboards featuring fast speed corded connection and advanced customizabledeveloped driver for unparalleled performances. The Raven61 boasts a 32bit fast speed main controller, sensitive Hall sensoring, and eight Hall control chip, ensuring rapid 0.3+0.2ms key triggering delay and customizable return frequency from 1000-8000Hz. For gaming enthusiasts and DIY keyboards hobbyists, this kit supports offering a personalizing touch to your gaming setups. Whether for competitive gaming tournament or crafting your unique keyboards, the Raven61 provides the precise and customization need elevates your gameplay. Choose between the not backlighting or backlighting version with 16million color backlighting to your style and enhances your gaming atmosphere. Specifications: Size:about 18.6x9.6x0.7cm/7.32x3.78x0.27in Model: Raven61 Connection: corded connection Driver: high-end self-developed driver Main Control: 32bit control, Hall sensoring, high sensitivity Hall components Hall control chip: 8pieces Button triggering delay: 0.3+0.2ms Return frequency: 1000-8000Hz Dynamic triggering accuracy: 0.02+0.01mm Quick triggering function: support Magnetic calibration function: support Onboards storage: Support Controller: 32bit controller Hall control chip: high sensitivity Hall components Button triggering delay: 8 Button triggering delay: 0.3+0.2ms Return frequency: 1000-8000Hz Package：Not Backlighting or Backlighting Version Optional Package Includes: 1PC Raven61 Small Keypad note: Due to the problems of lighting effects, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.