This Shure SLXD14/93-G58 Combo System is designed for a wide range of applications. It's great for presenters during day-long presentations and performers at nighttime shows. The system features transparent 24-bit digital audio. It has an extended 20 Hz to 20 kHz frequency range (microphone dependent) and a 120 dB dynamic range. It comes with a SLXD4 single-channel receiver, SLXD1 bodypack transmitters, WL93 Miniature Omnidirectional Lavalier Microphone with antenna and rackmount accessories, and 2 AA batteries. It offers easy pairing of transmitters and receivers over IR scan and sync, up to 8 hours of power from 2 AA batteries or optional rechargeable battery, interchangeable microphone capsules, and a rugged metal construction. The included items are 1 single-channel receiver, 1 bodypack transmitter, 1 lavalier microphone, 2 AA batteries, 2 1/4 wave antennas, 2 bulkhead adapters, 2 22' BNC cables, 1 power supply, 1 black vinyl zippered bag, 1 rack mount bracket (short), 1 rack mount bracket (long), 1 linking plate, 1 hardware kit, 1 quick start guide, 1 warranty, and 4 adhesive foot.