Shure ULXS4:
-Power On Indicator
-"RF" Diversity Signal Indicators
-Transmitted (TX) Audio Indicators
-Receiving Antenna Indicator
-Group/Channel Displays
-Transmitter Battery Life Indicator
-PS40, in-line power supply with locking DC connector.
-MODE Button for Menu Display
-SET Button for Saving Settings
-Mic/Line level Switch
-XLR and 1/4" outputs with level control
-Space-saving 1/2 rack design
Shure SM58:
-8-9 Hour Battery Li . . .