This is the Battery Door for the Traxxas TQ transmitter. FEATURES: Nylon door with latch INCLUDES: One battery door REQUIRES: TQ transmitter SPECS: Length: 4-5/8" (117mm) Width: 2-3/4" (70mm) COMMENTS: The TQ is the standard pistol transmitter for Traxxas RTR kits. mcw 11/29/03