Camera Microphone / Photography Interview Video Audio Camera Mic Shotgun Microphone for Nikon Canon DSLR Camera / Need 3.5mm Interface / Don't need Battery LP Lightweight Design - At only 73gm (2.5oz) it's LP's lightest on-camera microphone Integrated Rycote Lyre - Hard wearing and super-effective isolation from bumps and vibration No Battery necessary - With the camera's plug-in power all you need to do is plug in .