See 4K Detail Day and Night: Spot tiny features on any potential trespasser (human or animal) with eufyCam 3—even at night. The Starlight photosensitive system enhances low light conditions for clarity in color. Forever Power Durability: eufyCam 3 is self-sustaining in any outdoor environment with an integrated solar panel only needing 2 hours of daily sunlight for Forever Power. Local Expandable Storage: With this local 4K security camera system, you’re in control of your own data with advanced encryption. 16 GB built-in storage with the ability to expand up to 16 TB with a portable hard drive* (not included)—store a lifetime of videos, all for no monthly fee. *The operating system will occupy a portion of the built-in storage capacity.Please go to FAQ for hard drive specifications and requirements. BionicMind AI Empowers Your Security: See the true potential of your security with BionicMind—providing facial recognition that differentiates between family and strangers with self-learning AI. Put Yourself in Control: Feel at ease conveniently controlling eufyCam 3 with voice activation via Alexa and the Google Assistant, and clear two-way audio. You can even set activity zones to avoid false alarms.