100 Channels Different frequency, UHF Wireless Microphone Systems, BT-48UM

100 adjustable different frequency 2 wireless microphones Dual frequency channel 4 AA alkaline battery UHF frequency Frequency range of 470 – 580MHz Up to 196 ft ON / OFF switch LED status signal indicator light Dual independent antenna 1/4″ mono cable Two XLR outputs jack AC Adapter 110 to 240 volt Aluminum carrying case UPC: 643307992229 BT-48UM MANUAL