MAX DH-767 is a professional UHF dual channel digital wireless microphone.It comes with 3 in1 microphones in one receiver and one handheld,one headset and one tie microphone, with UHF frequency enabled, it produces very clean vocal with little or no interruption from other receivers. The microphones have a digital lcd display that displays frequency, channel number and battery level. It uses AA batteries with are easy to get compared to the 9v batteries. The microphones are metallic and durable. It covers a wide range of 100+ metres, very heavy and smart shaped to make it very interesting.