The EMG Noveske KX3 Flash Hider with Built-In Spitfire Tracer adds a dynamic element to your airsoft experience. Licensed by Noveske, it features a built-in rechargeable battery providing up to 4 hours of use, motion sensing for high rate of fire tracking, and a realistic 'fire' simulation mode. Its automatic flash feature and water-resistant design ensure performance in various conditions. Includes a micro USB charging cable and 11mm positive adapter.