The Optoma WHD221 is a compact and lightweight wireless HDMI transmitter–receiver designed for easy, cable-free screen sharing. It weighs approximately 60 grams, making it highly portable and convenient for use in meeting rooms, classrooms, or while traveling. Although Optoma has not officially published the exact physical dimensions (length × width × height), the WHD221 is built with a slim, minimal form factor that connects directly to HDMI ports without adding bulk. Its small size and low weight make it ideal for users who want a plug-and-play wireless display solution without the hassle of carrying extra cables or large accessories.
