Reolink Go PT Plus can work anywhere nationwide with 4G/LTE coverage, 100% wire-free, no need WiFi. Being able to rotate 355° horizontally and 140° vertically for wide-range area monitoring. Coming with a long-lasting rechargeable battery, this versatile 4G wire-free security camera can work independently regardless of a sudden blackout. Connect the camera to Reolink solar panel (sold saparately) for nonstop power supply. Wide-angle PIR motion sensor makes sure no movement will slip through without your notice. The camera uses passive infrared (PIR) motion sensor to detect activities. Once an event is captured, youll be told promptly. Listen in and talk back through the built-in speaker and mic, straight from your smartphone. You can talk to your children, pets or loved ones from anywhere in the world.