Der Kernel (Trinity Seven) is one of the custom kernels that support all latest Google Nexus devices like Nexus 4, Nexus 7 and Nexus 10. Just like other custom kernel, Trinity Seven Kernel is able to overclock and undervolt CPU. And can overclock GPU as well. Rest assure that it is optimized for performance and better battery life if well tweaked. Debugging mode is removed. Scheduler and governor are tweaked. Just try it out to find out more of its features.