Item: 5.8G VTX 3000mW Input Voltage: 7-36V DC;2-8S Output Voltage: 5V 1A 12V Input Current: 145mA@Pitmode, 280mA@25mW, 560mA@1000mW, 720mA@2000mW, 850mA@3000mW, Channels: 48CH (5362MHz-5945MHz) Power: PIT/25/1000/2000/3000mW Antenna connector: MMCX Smart Audio: -tramp Dimensions: 37.7x36.1x11 mm; 30.5x30.5mm(hole) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Dark Gray Material:aluminum Package Contents: 1 x Audio Transmitter 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.