The Shure Axient AD3 Digital Handheld Wireless Plug-on Transmitter is perfect for high-profile sound-reinforcement applications. It's designed for professionals who need top-notch audio quality. With a lightweight aluminum housing, it's durable and easy to carry. The package weight is 1.475 lb and the box dimensions are 12.1 x 4.6 x 3.4'. It offers great features like compatibility with Axient Digital Receivers, the ability to use with any handheld or shotgun mic, and secure AES-256 encryption.