YEEWISE Wire-Free Solar Security Camera System, 2K 4MP Battery Cameras with Solar Panels, 4K 10CH WiFi NVR, Free Local Storage

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100% Wire-Free: The wireless cameras are battery and solar powered for complete freedom. There is no need to run wires or install near power outlets, they’re completely cable free.
All-Weather Charge: Set & forget, knowing your cameras are always charged. With the help of amorphous solar technology, you can enjoy powerful charging even in cloudy weather conditions. It frees you from the trouble of dismounting the cams every time to recharge them.
PIR Smart Detection: With more accurate heat and motion-sensing, you get more reliable notifications & recording by eliminating false triggers due to bugs, falling leaves, rain & more, saving you HDD space & playback time.
Free Expandable Local Storage: The mini NVR includes 64GB of storage to store up to 4 months of videos. And if that’s not enough, expand to up to 6TB with a hard drive to save years of recordings.
Works on Motion or 24/7: Like all solar & battery cameras, these cameras are motion-triggered (that is, they only wake up when motion is detected and go back to stand-by mode when there is no motion) to save and lengthen its battery life. But if you desire so, the camera can also be converted into a 24/7 wireless camera by plugging it directly into a power source.