Nady ENCORE1-LT A 1-Channel VHF Wireless Microphone System, Lavaliere Microphone with Body Pack and Frequency A Available on selected frequencies in the VHF high-band (171-216 MHz) for interference-free, long-range performance Half rack receiver design with detachable front panel antennas RF and AF 5-LED displays for monitoring incoming signal strength and audio level; balanced XLR and unbalanced adjustable " jack output Noiseless transmitter On/Off switching Off/Standby/On switch allows convenient audio muting with the transmitter on Low-battery LED indicator flashes once for Unit On; lights steady for low-battery alert Half-rack receiver design with retractable front panel antenna RF and AF 5 LED displays for monitoring incoming signal strength and audio level Balanced XLR and unbalanced adjustable 1/4" jack output Unique snap out panel locking tabs for single receiver or dual receiver (side-by-side) optional rackmounting VHF high-band frequency range: 169-216 MHz