ALZO Wireless Radio Shutter Release 300 Feet Range for all Nikon Pro cameras DJ Light and a USB charging cord

and a USB charging cord is included with a charge time of about 4 hours

Mic Element: Electret condenser

AZDEN SGM-990+i -  Shotgun Microphone

Application

ALZO Wireless Radio Shutter Release 300 Feet Range for all Nikon Pro cameras DJ Light and a USB charging cord300ft range with penetration through walls; walls will reduce the range Supports partial shutter AF and AE, continuous drive and bulb mode Includes 3 second shutter delay mode Selection of 1 of 16 channels to reduce possible RF interference Bi Color LED on transmitter indicates partial and full shutter; includes (1) 23A alkaline battery and (1) CR2 Lithium Polymer 3V battery This wireless radio controlled shutter release has a 300 feet range with