Rycote Square Mic Flag (White) 5mm jack functions as a

5mm jack functions as a stereo headphone output for real-time monitoring of your signal

just like the UV posters of yore

Our single-cable connection system makes it extremely easy and quick to install and use on any vehicle

and similar distractions

and connects directly with your Hero HD or Hero2 camera

Rycote Square Mic Flag (White) 5mm jack functions as aThe white Rycote Square Mic Flag will accommodate microphone diameters measuring 0. 7 to 1. 5" (19 to 38mm), and is made of a durable shatterproof plastic with large printable logo areas. The flag features a series of durable red and black rubber "vanes" that align the inner perimeter and keep microphones secure. The system eliminates perishable foam inserts, and the vanes are removable in order to accommodate various microphone diameters.