REOLINK Argus Series B350

4K 8MP Ultra HD With 4K 8MP resolution (3840*2160), the image quality of your surveillance videos is greatly enhanced. You can see more details in live view or playback, and know exactly what is happening in front of the camera. Rechargeable Battery/Solar Powered The camera comes with a built-in rechargeable battery with a large capacity to continuously protect your property. No more worries about battery replacement or frequent recharging. Non-Stop Protection with Adjustable Solar Panel Color Night Vision With infrared LEDs and spotlights, Argus 3 Ultra supports black & white night vision (with spotlight off), and color night vision (with spotlight on when it's dark) to capture crystal-clear nighttime footage. You can choose between the two modes according to your need. 5GHz/2.4GHz Dual-Band WiFi With 5GHz (5.8GHz) WiFi, you will no longer have to endure long waiting times, but instead enjoy smooth real-time live view at faster speeds and with stronger signals. Alternatively, you can switch to the 2.4GHz band for longer-range transmission. More options, more convenience. Smart Detection & Alerts Without Subscription The Argus 3 Ultra features a PIR sensor and advanced detection algorithms that allow it to accurately distinguish between people, vehicles, and animals from other objects. When an event is detected, it will send you instant alarms without any subscription fees."