The Shure ULXD6/O=-G50 Omnidirectional Wireless Boundary Microphone is designed for use in meetings and events. It's perfect for those who need a reliable audio solution for tabletop use when wired microphones aren't practical. The microphone transmitter features a low-profile design. When paired with a ULX-D or QLX-D digital receiver, it forms a great system. It offers up to 9 hours of continuous battery life with Shure rechargeable batteries and over 8 hours with AA alkaline batteries. It has a long transmission range of up to 300 feet/100 meters, ensuring reliable performance in large meetings. The very low latency makes it ideal for meetings that require live sound reinforcement. The dimensions are 113.94 mm x 61.83 mm x 34.28 mm (4.48 in. x 2.43 in. x 1.35 in.) and it weighs 241 g with AA batteries. It operates in the temperature range of 0°C (32°F) to 45°C (113°F). The housing is molded plastic.