This product is either discontinued or we cannot get that from suppliers.
Dahua 8mp Ip Turret Fixed 2.8mm Lens Built-in Mic Icrwdrir AA-DH-IPC-HDW4831EMP-ASE-0280B, Image Sensor 1/2.5” 8Megapixel progressive scan CMOS, 3840(H) x2160(V) Pixels, Web viewer, CMS(DSS/PSS) & DMSS, Adopts advanced 2D-PAM3 coding
With upgraded H.265 encoding technology, Eco-savvy series brings high efficient video compression capability. It can save bandwidth and storage. Meanwhile, the series features starlight, smart IR technology and intelligent image analysis techniques.