Dual Fixed UHF Digital Channel Wireless Microphone System, BT-46UM

2 wireless microphones Dual frequency channel 4 AA alkaline battery UHF frequency Frequency range of 470~580 MHz Up to 196 ft ON / OFF switch LED status signal indicator light Dual independent antenna 1/4″ mono cable AC Adapter 110 to 240 volt Aluminum carrying case UPC: 643307992212 BT-46UM MANUAL