Features: Experience long distanced transmission with this transmitter, featuring 3.3G frequency that ensures exceptional penetration and coverage for extended flight missions. This powerful transmitter boasts a 3W output to enhances transmission stability, delivering clear visuals even in complex environment, while its advanced video encoding technology guarantees clearly transfer. For photographers, FPV racing competitors, and educational institutions, this transmitter to meet the needs of users long ranging capabilities. Perfectly for outdoor flying, drones racing, photography, and educational training enabling precise control and capturing. With strong compatibility across various drones platforms and FPV devices, along with efficient heat dissipation , integrates seamlessly into existing systems, ensuring long use and ease of installation. Specifications: Size about 41x30x13mm/1.61x1.18x0.51in (excluding button protrusion). Fixed holes with a spacing of 20x20mm and M 1.6 threaded holes Working voltages: DC7V-36V (2s-8s) Working current: 900MA100MA at 12V Power consumption: 11watts RF transmission power: greater than 34.8dBm (3.0watts) 16 working channel, button selection setting 4 power level, button selection setting 3.3GHz video transmission transmitter small size, and high transmission power Adopting large-scale integrated circuits and automotive grade components for high reliability Note: Due to the problem of lighting effects, there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement. Package includes: 1Set 3.3G 3W Transmitter