The Hikvision DS-2CD2143G2-I (4 mm) is a 4 MP AcuSense vandal-resistant fixed dome network camera designed for advanced video surveillance in professional security systems. It uses a 1/3-inch progressive scan CMOS sensor that delivers high-resolution video up to 2688 × 1520, providing clear and detailed monitoring for locations such as offices, commercial buildings, entrances, and public areas. The 4 mm fixed lens offers a balanced field of view, making it suitable for monitoring medium-sized areas with accurate image coverage. This camera incorporates AcuSense deep-learning technology, which can intelligently distinguish between human and vehicle targets, reducing false alarms caused by objects like rain, animals, or moving leaves. It also features 120 dB Wide Dynamic Range (WDR) that improves image clarity in scenes with strong backlight or high contrast lighting conditions. For night surveillance, the device includes infrared illumination with a range of up to 30 meters, enabling clear monitoring even in complete darkness. The camera also supports H.265+ video compression, which reduces bandwidth and storage requirements while maintaining high video quality. Designed for durability, the DS-2CD2143G2-I features IP67 weather resistance and IK10 vandal protection, ensuring reliable performance in both indoor and outdoor environments. With support for PoE power and microSD storage, it provides a dependable solution for modern IP-based security systems.