Shure GLXD14/85, Wireless-System, SM Presenter Series, Digital 2.4GHz wireless system with GLXD1 pocket transmitter and 1x WL185 lavalier microphone, Up to 8 systems simultaneously, Automatic frequency setup, Pilot tone, Microprocessor driven antennae-diversity, Battery indicator in hours and minutes, Remote controlled transmitter-gain, Integrated battery charge port, Metal pocket transmitter, Capacitor WL185 microphone capsule: 50 - 20,000 Hz, cardioid, Plastic receiver, Fixed antennae on the front, XLR- and jack outputs, High-resolution LC display, Up to 16 hours battery life, Up to 60 metre range, Incl. Shure lithium-ion battery and charger