Gigibon Professional On-Camera Shotgun Microphone, External Stereo Mic for DSLR Canon, Nikon, No Battery (ME-1 Microphone Replacement) 3.5mm mic jack, hot shoe mount the mic connects to compatible DSLR cameras Reducing recording noise: professional camera microphone features new innovation that significantly reduces autofocus noise from being recorded Lightweight, compact and portable-this recording equipment weighs about 3.2 oz. (93 grams) No battery necessary, plug and play - with the camera's plug-in power all you need to do is plug in and go