Realistic Metal LED Police Light Bar for 1/8th & 1/10th Scale Cars and Trucks 7 Flashing Modes - Compatible with Traxxas, HPI, Redcat Racing, Team Associated, Tamiya 7 different flashing modes (easily switched from one mode to another) Flashing LED lights on front and back of bar for realistic look Fits most 1/10th and 1/18th scale cars and trucks Simple and easy to install Includes connector for a 9V transistor battery (battery not included), or it can be wired directly to the vehicle's battery