Dahua IPC-HFW2431DG-4G-SP-EAU-B 4MP 4G Solar Bullet Security Camera  PIR Detection, IR Night Vision, Two-Way Audio, H.265+, IP67

Dahua IPC-HFW2431DG-4G-SP-EAU-B is a powerful 4MP 4G Solar-Powered Bullet Security Camera built for remote, off-grid surveillance — combining smart detection, reliable 4G connectivity, and solar efficiency in one rugged device.

Designed for locations without wired internet or power, this camera features a high-performance built-in 4G module that supports all major mobile networks. With a built-in solar panel and rechargeable battery, it offers up to 10 days of autonomy based on one hour of daily remote viewing, making it perfect for farms, construction sites, rural areas, and remote monitoring points.

The camera captures clear 4MP (2688×1520) Ultra HD video using a 1/3” CMOS sensor, enhanced by IR and warm LED lights for 24/7 surveillance. Intelligent features like PIR human detection, sound and light alarm, and two-way audio give users full interactive monitoring. It also includes 8GB eMMC internal storage, plus MicroSD support up to 256GB, ensuring critical footage is never lost.

Its IP67-rated weatherproof housing ensures reliable performance in harsh outdoor environments.

Key Features:

• 4MP UHD Resolution (2688 × 1520) – High-quality imaging day and night.

• Built-in Solar Panel + Rechargeable Battery – Standalone solar-powered system with up to 10 days autonomy.

• 4G Mobile Connectivity – Works anywhere with mobile coverage; no wired internet needed.

• IR Night Vision & Warm Light – Clear visibility in low-light and total darkness.

• �� PIR Motion Detection – Detects human body movement using passive infrared sensing.

• Sound & Light Alarm Linkage – Triggers warnings when motion is detected.

• � Two-Way Audio – Built-in mic and speaker for real-time communication.

• 8GB eMMC + MicroSD Support (up to 256GB) – Secures critical video recordings.

• H.265+ Smart Video Compression – Saves bandwidth and storage.

• � IP67 Weatherproof – Designed for all-weather outdoor installations.

Ideal For:

• Remote farms, ranches, and agriculture

• Construction sites and unmanned facilities

• Parking lots and temporary events

• Off-grid security with no Wi-Fi or power access