1665P HD resolution paired with digital zoom delivers sharp and clear footage. Full-color night vision ensures vivid round-the-clock monitoring even in complete darkness for your outdoor areas. Built-in PIR human motion detection and alarm function cut down false alerts effectively. Two-way voice allows real-time communication to greet visitors or warn off suspicious persons remotely. Solar-powered & low-power design plus 4G wireless connection means no messy wires or frequent battery replacement. IP65 waterproof rating adapts to all kinds of outdoor weather, stable for year-round use.