Power durability forever: The Cam 3 is self-sustaining in any outdoor environment with a built-in solar panel that only needs two hours of daily sunlight for lasting power. Watch 4K details day and night: Discover the little features of any potential intruder (human or animal) with a UP3 camera - even at night. The Starlight light-sensitive system enhances low lighting conditions for color clarity. Put yourself in control: Feel at ease in the convenient control of the Yufi Cam 3 camera through voice activation via Alexa and Google Assistant, and clear bidirectional sound. You can even adjust activity areas to avoid false alarms. Powered by Edge: By connecting to HomeBase 3, the camera provides facial recognition that distinguishes family and strangers with AI for self-learning. You can even install a hard drive (not included) to expand storage space up to 16 TB, all without a monthly fee.