The Shure ULX2/87 Handheld Transmitter Microphone is comprised of the ULX2 Wireless transmitter fitted with the SM87A microphone capsule. The ULX2 features include a 3-segment battery fuel gauge, backlit LCD shows group and channel, frequency and power settings, control lockout, 8 hour battery life, and a 300 ft (92 m) operating range. The ULX2 transmitter is designed to allow for interchangeable microphone cartridges. The Shure SM87A microphone is a professional-quality, handheld condenser microphone for use in sound reinforcement, broadcasting, and studio recording installations.