Shure SLXD124/85 Digital Wireless Microphone System with SLXD4 Single Channel Receiver, SLXD2 Handheld Transmitter with SM58 Capsule, SLXD1 Bodypack and WL185 Cardioid Lavalier Mic (G58 Band)Brand: Shure Features: SLX D Digital Wireless Combo Microphone System, includes one SLXD4 Receiver with 19" rack mount kit, one SLXD2 Handheld Transmitter with SM58 Microphone Cartridge (dynamic, cardioid) and one SLXD1 Bodypack Transmitter with WL185m Cardioid Lavalier Microphone, frequency band G58 (470 514MHz) Details: SLX D Digital Wireless Combo Microphone System, includes one SLXD4 Receiver with 19" rack mount kit, one SLXD2 Handheld Transmitter