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Polaroid PL150DN Studio Series Digital TTL Shoe Mount Bounce DUA Flash For NIKON Compatible Mountings: Nikon Wireless Communication Technology; Optical Pulse Mounting Type: Shoe Mount Innovative Polaroid Dua Flash – 2 Light Sources In 1! A Versatile Bounce Flash For Still Pictures And LED Light For Video True TTL (Through The Lens) Operation For Seamless Flash Photography Swivel/Bounce Feature + Four Step Zoom For Unlimited Lighting Options Includes Fitted Case + Maximize Your Creativity With The Included Reflector Panel, Auto Sleep Mode For More Shooting Time + Less Charging Time High 42m (137'!) Guide No. at 85mm Zoom/ISO-100, True 90 degree Vertical Bounce & 270 degree Swivel For Maximum Versatility, Fast 0.3 Recycling Time