See 4K Detail Day and Night: Spot tiny features on any potential trespasser (human or animal) with eufyCam S330—even at night. The Starlight photosensitive system enhances low light conditions for clarity in color. Forever* Power: eufyCam S330 is self-sustaining in any outdoor environment with an integrated solar panel only needing 2 hours of daily sunlight. Only Get Alerts That Matter: Dual motion detection with radar and PIR cuts false alerts by 99%, guaranteeing that alerts are only triggered by major security events in specified areas. Local* Expandable Storage: You're in control with advanced encryption and local 4K storage—16 GB built-in, expandable up to 16 TB via a portable hard drive (not included). Put Yourself in Control: Conveniently control eufyCam S330 with voice activation via Alexa, Google Assistant, and clear two-way audio. You can even set activity zones to avoid false alarms. Note: Add-on Camera requires HomeBase™ 3 to operate.