GTD Audio 2x800 Channel UHF Diversity Wireless Hand-held 2 Hand held mics. Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems".The seller is "around_photo_sound" and is located in this country: US. This item can be shipped worldwide.