eufy Security eufyCam 3C 4-Cam Kit, Security Camera Outdoor Wireless, 4K Camera, Expandable Local Storage up to 16TB, Face Recognition AI, Spotlight 4K Detail with BionicMind Recognition Notice 4K Ultra HD Detail With 4K UHD, you'll see the small details of any person that walks onto your property. BionicMind Recognition BionicMind differentiates family and strangers with facial recognition. Accurate up to 99.9%. Expand Your Local Storage Store more videos on HomeBase 3 with up to 16TB of expandable storage on a portable hard drive. 180 Days of Security from 1 Charge Avoid frequent trips to charge the battery and enjoy 180-day battery life from just one charge. Two-Way Audio Voice Assistant Compatibility Works with Alexa and the Google Assistant. Not compatible with Apple HomeKit at this time. Built Tough for Any Weather Quick Setup Home Protection.