Sennheiser EW 572 G3 / C-Band - UHF lapel set containing SK 500 G3 pocket transmitter with charger contacts for optional NiMH battery pack (BA 2015), EM 500 G3 receiver, 1680x adjustable frequencies, 20x banks (each with up to 32 presets + 1 free preset), frequency response: 80Hz-18kHz, infra-red frequency transmission, autotune to find free frequencies, internal EQ, internal guitar tuner, over 48dB audio gain range, soundcheck mode, battery display on receiver and transmitter, frequency range: C-band (734-776MHz), LCD display with NF and channel, switchable HF power (10/30mW), 2x BNC antenna connections, male XLR (balanced) connector, Ethernet port, includes power supply (NT2), guitar cable (CI 100) and 2x AA batteries. Due to every country having different regulations, you may need to contact your local licensing authorities before using a wireless system.