WARNING: 1. Install antenna before use. 2.To prevent overheating, provide constant airfiow and a well ventilated environment.Install a cooling fan if operating in confined conditions. 3. The 5V Output is just used for a Camera/Cooling Fan Don't connect Power Input / Battery to 5V Output port. Otherwise the VTX will be damaged. Specifications: Power Levels: 25mW, 200mW, 800mW, 1000mW, 2500mW Frequency Bands: 1 Band A, 2 Band B, 3 Band E, 4 Airwave, 5 Race Band, 6 Low Race Voltage Input: 2-6S (7-28V) Output Connector: MMCX Dimensions: 30.50mm * M3 Features: High Power Output: Utilizes a powerful 2.5W output to ensure extended transmission range and robust signal strength for reliable performance. Five Adjustable Power Levels: Offers adjustable power settings (25mW, 200mW, 800mW, 1000mW, 2500mW) for optimized control and adaptability to various environments. Comprehensive Frequency Bands: Supports multiple bands including Race, Airwave, Band A, Band B, Band E, and Low Race, offering versatility and broad compatibility. Smart Audio Support: Fully compatible with IRC Tramp smart audio system for seamless integration and easy control via OSD parameter adjustment. Efficient Cooling System: Equipped with a cooling fan to prevent overheating, ensuring stable and continuous performance during extended use. Package included: 1x FPV 2.5W VTX Set