eufyCam S4: Revolutionary Triple-Lens Bullet-PTZ Camera: A single groundbreaking device that replaces and outperforms separate bullet and PTZ cameras. The upper 4K bullet lens delivers a 130° fixed wide view, while the lower 2K dual-lens PTZ offers 360° smart tracking and zoom. Bullet-to-PTZ Tracking and Auto-Framing: Once the bullet cam detects a subject, the PTZ camera instantly locks on, tracks, and zooms in to capture details up to 164 ft away. When more subjects enter the frame, it automatically zooms out to ensure they all stay visible. Powerful Solar-Charging with SolarPlus™: Stay charged year-round with a 5.5W ultra-large solar panel and SolarPlus™ 2.0. Just 1 hour of direct sunlight a day keeps the camera running, and the detachable design makes setup easy and flexible.  Great on Its Own: eufyCam S4 can work independently—no HomeBase™ needed. It features on-device AI for smart human, vehicle, and pet detection. It comes with 32 GB built-in storage, expandable up to 256 GB via microSD (not included). Better with HomeBase™ S380: Unlock BionicMind™ AI to differentiate family from strangers. With 16 GB built-in storage, expandable up to 16 TB, rest easy knowing your videos are stored securely. If you already own a HomeBase™ S380, please make sure it’s updated to version V3.7.2.8 or later, and your eufy app is updated to the latest version to enable 24/7 recording and Snapshot features.*HomeBase™ 2(Homebase™ S280) , Homebase™ mini, Homebase™ Professional and eufy NVR are not currently supported. Precise Detection, Powerful Deterrence: Radar and PIR sensors deliver precise motion alerts with fewer false alarms. When a threat is detected within your set zone or schedule, red and blue warning lights and a 105 dB siren activate to deter intruders. Indoor Cam S350: Superior Clarity: With dual cameras and 4K UHD resolution, this indoor camera delivers clear and detailed views of your home. Whatever you use it to monitor, you'll see it with incredible clarity. Advanced Zoom Capabilities: The 4K wide-angle and 2K telephoto cameras work together to provide an impressive 8× hybrid zoom. Complete Coverage: With 360° coverage powered by flexible pan-and-tilt, you can enjoy a full view of your space with no blind spots, making it an ideal camera for homes with pets. Exceptional Night Vision: With an f/1.6 aperture sensor and 2 adaptive infrared lights, faces can be seen clearly up to 32 ft away, even in low-light conditions.