InstaShow™ HDMI Button Kit Set Features: InstaShow™ HDMI button kit allows users to expand the number of devices paired with the WDC10 host during wireless presentation. The WDC10 host can support up to 16 devices simultaneously for participants to take turns presenting. BenQ InstaShow™ is a unique solution that allows multiple presenters to lead from any device. The plug and play operation requires no driver installation and is compatible with any OS or hardware platform*, making it simple to use with enterprise class encryption.