IPC-HFW2431DG-4G-SP-EAU-B 4MP IR Fixed-focal Bullet 4G Solar Power Network Camera > 4-MP 1/3" CMOS image sensor, low luminance, and high definition image. > Outputs max. 4 MP (2688 × 1520) @25/30 fps. > H.265 codec, high compression rate, ultra-low bit rate. > Built-in warm light/IR LED. > Sound and light alarm linkage. When the alarm is triggered, the sound and light will be linked. > Built in high-performance 4G Module that suits all mobile networks. Installation is no longer limited to wired networks. Please test the local 4G network with the camera before use. > Built-in PIR sensor that detects human body through passive infrared which is sensitive to body temperature. > Built-in 8 GB eMMC memory chip that protects key records from being lost. > Supports solar power, making it ideal for use in locations that have exposure to sunlight. > Standalone with built-in solar panel and battery, battery cycle life can last up to 10 days at the rate of 1-hour remote live view per day. > Abnormality detection: Motion detection, video tampering, audio detection, SD card full, SD card error, network disconnection, IP conflict and illegal access. > Supports max. 256 G Micro SD card; built in MIC and speaker; support two-way talk. > IP67 protection