Overview
Shure QLXD2/SM87 Handheld Transmitter with SM87 Microphone
Featuring transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 M (330 ft.) range. All metal construction ensures durability, and a wide selection of compatible microphone choices offer legendary Shure sound signatures. The QLXD2 is compatible with all sm, Beta, and ksm microphone cartridges. 
Features

For this wireless system component to work, please make SURE your transmitter and receiver match in frequency range (style)
Includes QLXD2/sm87a, 2 AA batteries, battery contact cover, microphone clip, and user guide
With an interchangeable sm87a microphone cartridge, the QLXD2/sm87a handheld wireless microphone transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship
328 feet (100 M) operating range (line of sight)