Hunters Specialties I-Kam Video Eyewear Gloss Black 50002 # Reset Button # Audio Microphone # Digital Video Camera Each pair of i-KAM XTREME glasses comes with two sets of interchangeable, impact-resistant lenses in clear and polarized black to use in all lighting conditions # Easy PC / Mac USB Connection (no driver needed) # Easy 2-Button Operation Supports Micro SD Cards (up to 8 GB) # 4 GB Built in Memory (Approx. 3 hours of video) # Patent Pending