This is the Traxxas TRX-4 Chevy K5 Blazer pre-painted and pre-assembled Rock Crawler with 2.4GHz TQi Radio System and 3S Lipo Battery Combo. It includes the Trail-tuned XL-5esc Speed Control and brushless-ready 2075X motor for extended range and high-speed power. The waterproof XL-5 esc provides incredible crawling capabilities and smooth operation on any trail. The included 2.4GHz radio system gives you the freedom to go where you want, without worrying about frequency conflicts. The 3s LiPo battery combo gives you the power to conquer any terrain.