The Diamond HNC3IV141T-IR-ZAS is a high-performance 4MP IR vari-focal bullet network camera designed for both residential and commercial surveillance. Equipped with a 1/2.9" CMOS sensor, it delivers sharp, high-definition images even in low-light conditions. It supports resolutions up to 4MP (2688 × 1520) at 20 fps and 2560 × 1440 at 25/30 fps, ensuring clear monitoring of critical areas. Advanced H.265 compression reduces storage and bandwidth usage without compromising image quality. Built-in IR LEDs provide up to 60 meters of night vision, while WDR, 3D NR, HLC, BLC, and digital watermarking ensure reliable performance in various lighting environments. This camera features intelligent monitoring functions, including intrusion and tripwire detection, with vehicle and human classification for precise alerts. It also supports motion detection, video tampering alerts, audio detection, network disconnection, and other abnormality notifications. Flexible connectivity options include 12 VDC or PoE power supply for easy installation. The camera supports up to 256GB Micro SD cards and comes with a built-in microphone. Designed for durability, it offers IP67 weatherproofing and optional IK10 vandal resistance, making it ideal for outdoor and indoor applications. With SMD Plus technology and a vari-focal lens, the Diamond HNC3IV141T-IR-ZAS provides professional-grade monitoring with simple installation, intelligent detection, and clear image quality day and night.