Smart Wire-Free Security Camera System, 2-Camera System Tapo C420S2 2K QHD-Now with 1.7 times more pixels than 1080p, providing clearer videos and photos. 180-Day Battery Life-The rechargeable and removable battery with a low-power protocol extends your usage. * Full-Color Night Vision-Reveal high-fidelity details and color at night with the starlight sensor. Smart AI Detection and Notification-Smart AI identifies people, pets, and cars, notifying users as needed. Wire-Free Placement-No wires means you can place the cameras almost anywhere inside or outside-whatever works for you! Light and Sound Alarm-Triggers sound and light as an alarm when motion is detected. Two-Way Audio-Enables communication through a built-in microphone and speaker. Flexible Storage Choices-Save recorded videos on the hub-installed microSD card† (up to 512 GB) or by using Tapo Care‡ cloud storage services. IP65 Water&Dust Resistant-Offers excellent waterproof and dustproof performance for outdoor scenarios.