Hahnel Pro MK100 Uni-Directional Microphone for DSLR's, Camcorders and Audio Recorders Hahnel Pro MK100 Uni-Directional Microphone - 2x AAA Batteries - Hahnel Warranty Compact Housing design with hot shoe adapter for direct mounting on DSLR's and Camcorder Fitted with 3/8" Thread for Boompoles, Monopods & Tripods Rubber Shockmount system - absorbs unwanted mechanical vibrations from the camera User friendly Main dial switch for ON/OFF and Low Cut