Enhanced Transmission Power: Experience superior video transmission with the Nano VTX, boasting a powerful 350mW output for clear, long-distance FPV feeds. Wide Channel Range: Equipped with 40 channels, this VTX offers a wide range of frequency options for a flexible flight experience and reduced interference. Built-in Microphone: Captures live audio along with your FPV video, adding extra realism to your flight. Versatile Mounting Options: Comes with 16mm, 20mm, and 25.5mm mounting holes, ensuring compatibility with a wide range of RC multirotors. Ultra-compact size Reduces installation space. Product name: nano VTX Built-in microphone Support voltage:DC 5V PIT@75mA 25mW@180mA/16dBm 100mW@280mA/21.5dBm 200mW@330mA/24.5dBm 350mW@400mA/27.5dBm Antenna interface:ipex Output power:PIT/25/100/200/350mW Standard 40 channels.A/B/E/F/R frequency groups Mounting holes:16x16/25.5x25.5mm.M2 20X20mm.M3 Colour:As Shown Material:ABS Package Contents: 1 * VTX Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.