Product information:  

Material; high-quality aluminum alloy
Voltage; 12 (V)
Transmission frequency; 76-108 (MHz)
Frequency response; 50-15000 (Hz)
Distortion degree; less than 0.2 (﹪)
Effective range; 3000 (m)
Left and right channel isolation; 30 (dB)
Audio response; 50HZ~15000HZ
Output power; 1W and 7W

Packing list:  

whip antenna, power supply, audio cable, host