The model DH-IPC-HFW1531SN is a 5 Megapixel (5MP) WDR IR Mini-Bullet IP camera manufactured by Dahua. It is designed for both indoor and outdoor use, featuring a robust, waterproof enclosure. **Key Features and Specifications:** - **Resolution and Sensor:** It utilizes a 1/2.7” 5MP progressive CMOS image sensor, with a maximum resolution of 2592x1944 at 20 frames per second or 2688x1520 at 25/30 fps. - **Lens:** The camera typically comes with a 2.8 mm fixed lens, offering a wide field of view (approx. 96° horizontal). - **Video Encoding:** It supports H.265 & H.264 dual-stream encoding, including the efficient Smart H.265+ and H.264+ codecs, which help save on bandwidth and storage costs. - **Night Vision:** The camera features built-in Smart IR LED illumination with a maximum night vision distance of up to 30 meters (98 feet). - **Wide Dynamic Range (WDR):** With true 120 dB WDR technology, the camera can capture clear, vivid images in high-contrast lighting conditions. - **Durability:** The camera has an IP67 rating, ensuring it is dust-proof and waterproof for outdoor applications.