Movo Dual Capsule Lavalier Clip-on Omnidirectional Microphone for Canon EOS 1D-X MK I&II, 5D MK I, II, III, 5DS R, 6D, 7D MK I+II, 60D, 70D, Digital Rebel T6S, T6i, T5i, T4i, T3i, T2i DSLR Cameras Powered by a LR44 battery (1 included), improves performance compared to battery-free version Omni-directional Pickup Pattern Includes Windscreen 20' Cable 1 Year Warranty