Hikvision DS-2CD2543G0-IS 4MP Built-In Audio IP-Camera Come With High-Quality Imaging With 4 MP Resolution, Efficient H.265+ Compression Technology, Clear Imaging Against Strong Back Light Due To 120 DB True WDR Technology Water And Dust Resistant (IP66) And Vandal-Proof (IK08), -W: Wi-Fi Connection, -S: Built-In Microphone, Audio And Alarm Interface Available, Mini Size Suitable For Limited Space. The Ivory DS-2CD2543G0-IS From Hikvision Uses A 1/3" Progressive Scan CMOS Sensor To Capture 2688 X 1520 Resolution Video At 30 Fps. EXIR 2.0 Technology Provides Up To 35' Of Night Vision. The 2.8mm Fixed Lens Delivers A 98° Horizontal Field Of View. Two-Way Audio Communication Is Possible Thanks To A Built-In Microphone And A 3.5mm Audio I/O. An Onboard Memory Card Slot Accepts MicroSD/SDHC/SDXC Cards Up To 128GB (Available Separately). Integrated PoE Technology Simplifies Connectivity By Enabling The Transfer Of Power And Data Through A Single Cable.