Traxxas 6608 LaTrax Alias Quad-Rotor Ready-To-Fly Helicopter, Assorted Colors The number one selling name ins RTR Innovative designa and engineering Made using only the highest quality components Quad-rotor thrust with auto-leveling 6-axis flight system High-capacity 650mAh LiPo battery Integrated bright, colorful LEDs. 2.4GHz radio system Molded two-piece, two-color canopy in assorted colors Please read the User Manual & trouble shooting steps which is available in this page for your reference & watch the video. For Technical Support contact 888-traxxas or support@traxxas.com.