1. 48CH 5.8G frequency range: (A.B.E.F.R.L; 5362MHz-5945MHz); 2. Max power: 3W (25mW/1000mW/2000mW/3000mW adjustable); 3. Input voltage: DC 7V-36V, supporting 2-8S battery input 4. Antenna connector: MMCX 5. Smart audio: Tramp Heat-dissipating : aluminum alloy heat sink&fan Hole spacing: 30.5mmx30.5mm /3.15mm Function introduction: 1. Channel indicator: Red LED 2. Band indicator: Blue LED 3. Power level indicator: Green LED 4. Band and channel changer button 5. Power changer button 6. 1.0 6P Power connector 7. MMCX antenna connector Notice: The transmitter is equipped with temperature protection function. When the temperature of transmitter is higher than 100, the RF power of the Transmitter will be lowered for one level. If the temperature is still 100, the power can be lowered for another level until the lowest power (25mW) is reached; at this time, the temperature of the Transmitter module will drop. When the temperature is lower than 95, the Transmitter power will return to the originally power level. The appearance and color of different batches of products may be different, which will not affect the use. Material: Metal colour: Silver Package Contents: 1 x 5.8GHz VTX 1 x MMCX interface antenna connection cable 1 x 6P connection cable 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.