Optimized Performance: The FPV Transmitter is designed for serious FPV racing enthusiasts. Offering adjustable power output from 25mW to 600mW, it ensures clear signal transmission over long distances, enhancing your racing drone's performance. Versatile Compatibility: Compatible with a wide voltage range of 7-26V, this transmitter is perfect for RC models and drone frames, making it a versatile choice for different FPV setups. Multiple Channels: Equipped with 40 channels, the provides extensive frequency options to avoid interference and maintain a stable connection during intense FPV drone races. Input voltage: 7-26V Output voltage current: 5V1A Number of channels: 40CH Transmit power: PIT/25/100/200/400/600mW Interface: MMCX Control protocol: VTX Tram Mounting hole spacing: 20x20mm Mounting hole diameter: 3mm The product appearance and printed words depending on batch, but this does not affect use. Colour:Black Material:PCB Package Contents: 1 * VTX Kit Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.