Anti-interference/Not afraid of long-distance voyages, The maximum power is up to 3W, more anti-interference and not afraid of long-distance voyages. Built-in silent fan, Stable signal without attenuation, High power No fear of environmental interference, Fan heat dissipation can work stably for a long time. Adjustable gear position. Dual function button. Built-in microphone, LED indicator. Mounting hole:20x20mm Frame size:53.79x27.8x13.5mm Antenna interface:MMCX Image transmission protocol:IRC Tramp Power range:25mW, 400mW, 600mW, 1.6W, 3.0W @12V1300mA Colour:Black Material:ABS Package Contents: 1 * VTX 1 * Silicone wire 1 * Wire 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.